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What is the resistance of a conductor through which a current of 0.5 A flows when a potential difference of 2V is applied across its ends?

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Question

What is the resistance of a conductor through which a current of 0.5 A flows when a potential difference of 2V is applied across its ends?

Numerical
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Solution

Given, I = 0.5 A

Potential difference, V = 2 V

Applying ohm's law, V = IR

Or, R = `"V"/"I" = 2/0.5 = 4  Omega`

Hence, the resistance of a conductor is 4 Ω.

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2021-2022 (March) Delhi Set 1

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