Question

An electric water heater is rated ar 5,500 watts abd operates fir 106 hours per month how much electric energy in kwh does the water heater use each month

Answer 1

Answer:

The heater use 583 kWh of electrical energy per month.

Explanation:

Given that,

Power of the water heater, P = 550 watts

It is operated for 106 hours

The electrical energy used by the heater per unit time is called its power. So,

$P=\dfrac{E}{t}\\\\E=P\times t\\\\E=5500\ W\times 106\ h\\\\E=583000\ Wh\\\\E=583\ kWh$

So, the heater use 583 kWh of electrical energy per month.