# Physics Question: Work/Energy/Power-related?

An oven operates on a 15.0A current from a 120V source. How much energy will it consume in 3 hours of operation? Please show your work. Thanks a bunch in advance.

### 1 Answer

Relevance

- Andrew SmithLv 78 years agoBest Answer
You can show the work.

Power in watts is energy / sec

So energy = power * time

and power = v *i

hence energy = V * I * 3 * 3600 ( don't forget that time must be in seconds)

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