Question

an electric heater is rated 1500 w how much energy does it use in 10 hours​

Answer 1

Answer:

= 15,000 Wh or 15kWh

Explanation:

Energy= Power(watt) x Time(hours)

Energy= 1500W x 10h

Energy= 15000Wh

Answer 2

Explanation:

Given:

• Electric heater is rated 1500 W (P)
• Time is 10 hours.

To Find:

• How much energy does heater use in 10 Hours?

$\huge\underline\purple{\sf AnsweR :-}$

We know that Power = Energy/Time

or, Energy = Power x Time

$\small\implies{\sf }$ Energy = 150 x 10

$\small\implies{\sf }$ Energy = 15000 Wh

$\small\implies{\sf }$ Energy = 15 kWh

$\small\implies{\sf }$ Energy = 15 x 3.6 x 10^6 J

$\small\implies{\sf }$ Energy = 5.4 x 10^7 J