Mathematics · Work and Energy
A device operates at 2 amperes current and 220 volts potential difference for 5 hours. How much electrical energy does it consume, expressed in kilowatt hours (kWh)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11.1 kWh
- 20.22 kWh
- 35 kWh
- 42.2 kWh✓
Correct answer
2.2 kWh
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