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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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