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This question belongs to Physics GK Chapter Wise Electricity And Magnetism

Electricity and Magnetism

?

Two wires have their lengths, diameters and resistivities all in the ratio of 1 : 2. If the resistance of the thinner wire is 10 ohm, the resistance of the thicker wire is

A) 5 ohm B) 10 ohm C) 20 ohm D) 40 ohm

Answer & Solution

Correct Answer: Option B

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