Mathematics · Current Electricity
A bulb is connected across a battery of 10 V for 20 seconds. If a current of 2 A flows through it, calculate the heat energy generated by the bulb.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1100 J
- 2400 J✓
- 3120 J
- 4200 J
Correct answer
400 J
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