Mathematics · Current Electricity
An electric bulb is rated 40 W, 240 V. Assuming it obeys Ohm's law when glowing at its rated values, what is the resistance of its filament under these conditions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11440 ohm✓
- 2960 ohm
- 360 ohm
- 424 ohm
Correct answer
1440 ohm
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