Physics · Current Electricity
A wire of resistance 20 Ω is drawn so that its diameter becomes one-fifth of its original value. What will be its new resistance?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1250 Ω
- 2100 Ω
- 312500 Ω✓
- 4500 Ω
Correct answer
12500 Ω
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