Mathematics · Electric Resistance
A resistor develops 800 J of thermal energy in 20 s when a potential difference of 20 V is applied across it. Its resistance is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.5 Ω
- 240 Ω
- 310 Ω✓
- 420 Ω
Correct answer
10 Ω
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