Translations:Electricity and energy/38/en
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Example 1: A radio is plugged in and plays music for 3 hours. The radio says on the back that it consumes 7 W of power.
- Wh = 7 W × 3 hours
- Wh = 21 Wh
Example 1: A radio is plugged in and plays music for 3 hours. The radio says on the back that it consumes 7 W of power.