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प्रश्न
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उत्तर
A/c to Ohm's law,
R = `"V"/"I" = 20/2` = 10 Ω
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संबंधित प्रश्न
How does the resistance of a wire change when:
its diameter is tripled?
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(a) 0.1 Ω
(b) 10 Ω
(c) 20 Ω
(d)40 Ω
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