Mathematics · Current Electricity
An electric bulb is connected to a 10 V battery for 20 seconds. If it draws a constant current of 2 A, calculate the heat energy generated by the bulb.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1120 J
- 2100 J
- 3200 J
- 4400 J✓
Correct answer
400 J
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