Solution Found!

A 4-kW resistance heater in a water heater runs for 2

Chapter 1, Problem 32P

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

A 4-kW resistance heater in a water heater runs for 2 hours to raise the water temperature to the desired level. Determine the amount of electric energy used in both kWh and kJ.

Questions & Answers

QUESTION:

A 4-kW resistance heater in a water heater runs for 2 hours to raise the water temperature to the desired level. Determine the amount of electric energy used in both kWh and kJ.

ANSWER:

Step 1 of 2

We know that power is equal to work per unit time

P =

P = Power in watts

W = Work done in joules

t = time

 W = P t

_______________

Add to cart


Study Tools You Might Need

Not The Solution You Need? Search for Your Answer Here:

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back