Question

An electric oven has a power of 1600 W, how much energy does it use in 8 hrs ?​

Answer 1

Given : An electric oven has a power of 1600 W,

To Find : how much energy does it use in 8 hrs ?​

Solution:

Energy = Power * Time

Energy = ?

Power = 1600 W

Time = 8 hrs

Energy = 1600 * 8   Wh

=> Energy = 12800  Wh

=> Energy = 12.8  kWh

1 kwh = 1 unit

Hence 12.8 units of energy is used

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Answer 2

Question :-

An electric oven has a power of 1600 W, how much energy does it use in 8 hrs ?

Answer :-

• 12.8kWh used by the oven.

Step by step explanation :-

We have,

• Power = 1600W
• Time = 8hrs

We need to find,

• Energy

We know that,

$\longrightarrow$ Energy = Power × Time

We also know that,

1kW = 1000W

Then,

1600W = 1.6kW

By using formula,

$\longrightarrow$ Energy = 1.6 × 8

$\longrightarrow$ Energy = 12.8kWh

=> 12.8kWh used by the oven.

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