An electric kettle has the resistance of 30ohms what will flow when it connected to a 240v supply... find also the power rating of the power​

Answers

Answer 1

Answer:

Power = 1920 Watts or 1.92 Kilowatts

Explanation:

Given the following data;

Resistance = 30 Ohms

Voltage = 240 Volts

To find power rating of the kettle;

Mathematically, the power consumption of an electric device is given by the formula;

Power = voltage²/resistance

Substituting into the formula, we have;

Power = 240²/30

Power = 57600/30

Power = 1920 Watts or 1.92 Kilowatts


Related Questions

Declare a typedef struct named jumper_t that will have four parts: character array name that is 16 in length, double array of tries that is N_TRIES in length, double best_jump, double deviation 2. Write one line to declare an array variable, named jlist of the above struct type, with a length of ten. No initialization required.

Answers

Answer:

The typedef struct is as follows:

typedef struct jumper_t {

  char name[16];

  double tries[N_TRIES];

  double best_jump;

  double deviation;

} jumper_t;

The declaration of jlist is:

jumper_t jlist[10];

Explanation:

This defines  the typedef structure

typedef struct jumper_t {

The following declares the variables as stated in the question

  char name[16];

  double tries[N_TRIES];

  double best_jump;

  double deviation;

}

This ends the typedef definition

jumper_t;

(b) The declaration of array jlist is:

jumper_t jlist[10];

What is the difference between autofocus and autocomplete

Answers

Answer:

https://www.c-sharpcorner.com/interview-question/explain-autofocus-and-autocomplete-attribute

found this on a website hope you find it useful !

Write a program to sort the (name, age, score) tuples by descending order where name is string, age and score are numbers. The sort criteria is: 1: Sort based on name 2: Then sort based on age 3: Then sort by score The priority is that name < age < score. If the following tuples are given as input to the program: [('John', '20', '91'), ('Jason', '21', '85'), ('Jony', '17', '91'), ('Johny', '17', '93'), ('Tom', '19', '80')]\

Answers

Answer:

The program in Python is as follows:

from operator import itemgetter

m = int(input("Number of records: "))

print("Name, Age, Score")

my_list =[]

for i in range(m):

   user_details = input()

   my_list.append(tuple((user_details.split(","))))

my_list.sort(key =  itemgetter(0, 1, 2))        

print("Sorted: ", my_list)

Explanation:

This imports the operator function from itemgetter

from operator import itemgetter

This gets the number of records, m

m = int(input("Number of records: "))

This prints the format of input

print("Name, Age, Score")

This initializes the list of tuples

my_list =[]

This iterates through m

for i in range(m):

This gets the details of each person

   user_details = input()

This appends the details to the tuple

   my_list.append(tuple((user_details.split(","))))

This sorts the tuple

my_list.sort(key =  itemgetter(0, 1, 2))        

This prints the sorted tuple

print("Sorted: ", my_list)

How to open an image by using the command prompt? I need the explanation step by step. Please Help.

Answers

Open a file from Windows Terminal

In a command prompt window, type cd followed by the path of the file that you wish to open. After the path matches with the one in the search result. Enter the file name of the file and press Enter. It will launch the file instantly.

Create a new Java program called Flip. Write code that creates and populates an array of size 25 with random numbers between 1-50. Print the original array. Print array in reverse.

Answers

Use the website code .org to help you

At each step it should print out the move it makes and its performance score (e.g. S 0.2). Every 5 steps, it should print out a grid, with a "[ ]" on the square where the robot is now. Thus, with the above input, if the robot has done S U S L S, the output would be:

Answers

Answer:

The output would be S 0.2 U 0.2 S 0.2 U 0.2 L 0.2 S 0.2 [ ]

Explanation:

Given that at each step output prints for example S 0.2.

Also given after every 5 steps, it should print a grid "[ ]".

if robot has been given S U S L S, it prints output as

S 0.2 U 0.2 S 0.2 U 0.2 L 0.2 S 0.2 [ ]

Telephone – Cable/ Radio -​

Answers

Answer:

Telephone – Cable/ Radio -​ Wireless

Match each code snippet to its appropriate markup language name. XML CSS HTML XHTML


Answers

Answer:

Please find the complete solution in the attached file.

Explanation:

answer:

<p>line break</p><br/>  : XHTML

<Address>24, North Block</Address> : XML

<P>New paragraph</P> : HTML

<h2 style=“color:red;font-size:12px;”>Heading in red color.</h2> : CSS

just truuust

Which visualization is good to represent values that change with change in time?

Answers

Answer:

???

i would help but gotta explain more

Explanation:

Answer:

A box plot can be helpful when a distribution of values needs to be considered for each time period; each set of box and whiskers can show where the most common data values lie.

Explanation:

g Why do database systems support concurrent execution of transactions, despite the extra effort needed to ensure that concurrent execution does not cause any problems

Answers

Answer:

Explanation:

To maintain data consistency and integrity in a large multi-user system, transactions are completed concurrently with the aid of concurrency management techniques.

The following are some of the benefits of concurrent transaction processing and execution versus serial transaction processing and/or execution:

Improved Resource Usage:

A transaction frequently combines both CPU and Input/output activities, resulting in better resource usage. Computers have the ability to run disks and CPUs in parallel. As a result, transactions can also be executed in parallel, with one employing the usage of the CPU and the other using the disk. As a result, resources are better used than in serial transaction processing and execution.

Improved throughput:

Running transactions in parallel has an immediate impact of increasing throughput since a greater number of transactions can be completed in the same period of time.

Lower/shorter waiting time:

Reduced wait time: When transactions are processed sequentially and serially, a short transaction is forced to wait for a longer transaction. Because transactions usually affect distinct portions of the database. As such, it's best if they happen at the same time i.e it is run concurrently.

The characteristics listed above are critical to a system's performance.

Thus, It is obvious that the benefits of concurrency exceed the extra programming work necessary to execute transactions concurrently. As a result, database systems must handle concurrent transactions despite the additional work necessary since it is worthwhile.

In this lab, you complete a C++ program that swaps values stored in three int variables and determines maximum and minimum values. The C++ file provided for this lab contains the necessary variable declarations, as well as the input and output statements. You want to end up with the smallest value stored in the variable named first and the largest value stored in the variable named third. You need to write the statements that compare the values and swap them if appropriate. Comments included in the code tell you where to write your statements.InstructionsEnsure the Swap.cpp file is open in your editor.Write the statements that test the first two integers, and swap them if necessary.Write the statements that test the second and third integer, and swap them if necessary.Write the statements that test the first and second integers again, and swap them if necessary.Execute the program by clicking the "Run Code" button at the bottom of the screen using the following sets of input values.101 22 -23630 1500 921 2 2Provided code:// Swap.cpp - This program determines the minimum and maximum of three values input by// the user and performs necessary swaps.// Input: Three int values.// Output: The numbers in numerical order.#include using namespace std;int main(){ // Declare variables int first = 0; // First number int second = 0; // Second number int third = 0; // Third number int temp; // Used to swap numbers const string SENTINEL = "done"; // Named constant for sentinel value string repeat; bool notDone = true; //loop control // Get user input cout << "Enter first number: "; cin >> first; cout << "Enter second number: "; cin >> second; cout << "Enter third number: "; cin >> third; while(notDone == true){ // Test to see if the first number is greater than the second number // Test to see if the second number is greater than the third number // Test to see if the first number is greater than the second number again // Print numbers in numerical order cout << "Smallest: " << first << endl; cout << "Next smallest: " << second << endl; cout << "Largest: " << third << endl; cout << "Enter any letter to continue or done to quit: "; cin >> repeat; if (repeat == SENTINEL){ notDone = false; } else { cout << "Enter first number: "; cin >> first; cout << "Enter second number: "; cin >> second; cout << "Enter third number: "; cin >> third; } return 0;} // End of main function

Answers

Answer:

Following are the code to the given question:

#include <iostream>//header file

using namespace std;

int main()//main method

{

int first = 0,second = 0,third = 0;//defining integer variable  

int temp; //defining integer variable

const string SENTINEL = "done"; // defining a string variable as constant  

string repeat;// defining a string variable  

bool notDone = true; //defining bool variable

cout << "Enter first number: ";//print message

cin >> first;//input value

cout << "Enter second number: ";//print message

cin >> second;//input value

cout << "Enter third number: ";//print message

cin >> third;//input value

while(notDone == true)//defining a loop to check the value  

{

if(first > second)//use if to compare first and second value

{

int temp = first;//defining temp to hold first value

first = second;//holding second value in first variable

second = temp;//holding temp value in second variable

}

if(second > third)//use if to compare second and third value

{

int temp = second;//defining temp to hold second value

second = third;//holding second value in third variable

third = temp;//holding temp value in third variable

}

cout << "Smallest: " << first << endl;//print smallest value

cout << "Next smallest: " << second << endl;//print Next smallest value

cout << "Largest: " << third << endl;////print Largest value

cout << "Enter any letter to continue or done to quit: ";//print message

cin >> repeat;//holding string value

if (repeat == SENTINEL)

{

notDone = false;//holding bool value

}  

else //else block

{

cout << "Enter first number: ";//print message

cin >> first;//input value

cout << "Enter second number: ";//print message

cin >> second;//input value

cout << "Enter third number: ";//print message

cin >> third;//input value

}

return 0;

}

}

Output:

Please find the attached file.

Explanation:

Inside the main method Four integer variable "first, second, third, and temp" is declared in which first three variable is used for input value and temp is used to compare value. In thew next step, two string variable "SENTINEL and repeat" is declared in which "SENTINEL" is constant and a bool variable "notDone" is declared. After input the value from the user-end a loop is declared that compare and swap value and print its value.

6.What does transgenic mean?​

Answers

answer:

transgenic means that one or more DNA sequences from another species have been introduced by artificial means.

explanation:

transgenic plants can be made by introducing foreign DNA into a variety of different tissuestransgenic mice are one of the most common animal models used

relating to or denoting an organism that contains genetic material into which DNA from an unrelated organism has been artificially introduced. being or used to produce an organism or cell of one species into which one or more genes of another species have been incorporated a transgenic mouse transgenic crops and produced by or consisting of transgenic plants or animals.

In python, sorry if it’s blurry

Answers

Answer:

nice

Explanation:

lst = [[6,-3,8,0,5,-1,2,-2],[-7,4,3,-5,8,9,1,6]]

neg_values = 0

for x in lst:

   for y in x:

       if y<0:

           neg_values += 1

print(neg_values)

I wrote my code in python 3.8. I hope this helps

Which programming paradigm does the programming language JavaScript follow?
A. procedural programming
B. object-oriented programming
C. functional programming
D. Imperative programming​

Answers

Its not functional programming (sorry)

Answer:

Object-oriented programming

Explanation:

Just took the test and got it right

Happy to help !!

In which SDLC step does the company translate broad, user-oriented systems requirements into the detailed specifications used to create a fully developed system

Answers

Answer:

Physical design.

Explanation:

Systems development life cycle (SDLC) is a strategic process that involves determining the overall system architecture, which is typically comprised of hardware, end users, physical processing components, software, and the communication channel that will effectively and efficiently satisfy the essential requirements of the system.

The system inputs and outputs is typically designed along with a plan of how the system's features will be navigated.

Basically, system design is divided into two (2) categories and these includes;

I. Logical design.

II. Physical design.

Furthermore, the design of service systems involves the process of planning, creating infrastructure, building communication, organizing staffs and standardization of a system so as to improve its quality and business relationships between the service provider and its clients.

In the physical design of systems development life cycle (SDLC), broad, user-oriented systems requirements are obtained from end users by companies and then translated into the detailed specifications that would be used to create a fully developed system.

What component can you use to open windows?

Answers

Answer:

Start Windows 10 Component Services via the Run dialog box. Press Win+ R keyboard shortcuts to launch Run dialog box, type dcomcnfg or dcomcnfg.exe in the box and click OK/press Enter to open Component Services.

Explanation:

(b) Write a program which displays the following pattern as an output.
*
**
***
****
*****
(Hint: using loop)

Answers

this is the answer for your question i´m guessing i hope this helped :)

******

What are two different ways by which a laptop could utilize the cellular network connection of a mobile device

Answers

Answer:

Tethering and hotspot

Explanation:

Tethering and hotspot are the two different ways by which a laptop could utilize the cellular network connection of a mobile device.

Tethering usually involves connecting the computer or smartphone to the internet with the aid of a USB cable while hotspot involves connection of the device to the internet through the WIFI option.

Define a method calcPyramidVolume with double data type parameters baseLength, baseWidth, and pyramidHeight, that returns as a double the volume of a pyramid with a rectangular base. calcPyramidVolume() calls the given calcBaseArea() method in the calculation.

Answers

Answer:

The method in C++ is as follows:

double calcPyramidVolume(double baseLength, double baseWidth, double pyramidHeight){

   double baseArea = calcBaseArea(baseLength, baseWidth);

   double volume = baseArea * pyramidHeight;

   return volume;    

}

Explanation:

This defines the calcPyramidVolume method

double calcPyramidVolume(double baseLength, double baseWidth, double pyramidHeight){

This calls the calcBaseArea method to calculate the base area of the pyramid

   double baseArea = calcBaseArea(baseLength, baseWidth);

This calculates the volume

   double volume = baseArea * pyramidHeight;

This returns the volume

   return volume;  

}

See attachment for complete program that include all methods that is required for the program to function.

Which measurement symbol is this?
PLS HELP

Answers

Answer:

Foot.

Explanation:

Hope this helps!

A virus that loads itself onto the target system's memory, infects other files, and then unloads itself is called a:

Answers

Answer:

True. A virus that loads itself onto the target system's memory, infects other files, and then unloads itself is called a: Direct-action virus.

Explanation:

A virus that loads itself onto the target system's memory, infects other files, and then unloads itself is called a Direct-action virus.

What is Direct-action virus?

A direct action computer virus is known to be a virus class that is said to be self-multiplying malware that is known to be attached to any executable file.

Therefore, Note that A virus that loads itself onto the target system's memory, infects other files, and then unloads itself is called a Direct-action virus.

Learn more about virus from

https://brainly.com/question/26128220

#SPJ2

Write a class called AddThreeGame that allows two players to play a game in which they alternately choose numbers from 1-9.

Answers

Answer:

Explanation:

The following code is written in Python, it creates the AddThreeGame as requested for 2 players. Outputting the desired output after each player has chosen a number and checking for a winner after every choice. Due to technical reasons, I had to add the code as a txt file below and the output can be seen in the attached picture.

Sam plans to use this image in artwork for a brochure about airplanes. Which principles of page layout is Sam planning to use in this artwork?

A. emphasis
B. repetition
C. balance
D. alignment
E. proximity

Answers

Answer: Alignment

Explanation:

The principle of repitition indicates that some aspect of a design are repeated. This can be in form of bullet list, lines, color etc.

Balance has to do with how the weight is distributed.

The Principle of Alignment means that the pictures on a page should be connected visually to another thing.

Principle of Proximity simoly means that the items that are related on a page should be close to each other.

Therefore, the principles of page layout that Sam is planning to use in this artwork is alignment.

Answer:

D. alignment

Explanation:

1. Which of the following is a new
generation optical storage device?
CD
DVD
Blu-ray disc
Pen drive

Answers

Answer:

CD or CD Rom

fhiykkoojnddeyui

Which telecommunications service allow Internet and telephone service services to work over the same phone line

Answers

Answer:

VoIP

Explanation:

Voice over Internet Protocol

Answer:

DSL

Explanation:

I took the test and got it right.

which of the following resources type is mostly likely to be shared common resource in a computer network environment
a) printers
b) floppy disk drives
c) speakers
d) keyboards​

Answers

Answer:

A )Printer

Explanation:

In office multiple user can send request to print a doc......

They need network security skills to know how to perform tasks such as:

A. Testing software before launching.
B. maintaining databases.
C. investigating virus attacks​

Answers

B) maintaining databases

Answer:

Your answer should be C

because in they will protect the data base from virus.

Which is the best definition of manageable?
A. asking for help from others
B. making a plan
C. breaking down a big goal into smaller pieces
D. creating multiple goals

Answers

Answer:

D. Creating mutiple goals.

Explanation:

write a program to input 100 students marks and find the highest marks among the them​

Answers

Answer:

Explanation:

The following code is a Python program that allows you to input 100 marks. You can input the value -1 to exit the loop early. Once all the marks are entered the program prints out the highest mark among all of them. The output can be seen in the attached picture below with a test of a couple of marks.

marks = []

for x in range(100):

   mark = int(input("Enter a mark: "))

   if mark == -1:

       break

   else:

       marks.append(mark)

print("Max value: " + str(max(marks)))

List 5 properties and metrics for specifying non-functional requirements.

Answers

Answer:

- performance

scalability

capacity

availability

reliability

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