Question

A wire of length 1 m has a resistance of 2 ohms. What is the resistance of second wire, whose specific

resistance is double the first, if the length of wire is 3 metres and the diameter is double of the first?​

Answer 1

Answer:

Now, assuming that the wires are made of the same material and has the same cross-sectional area: 2 ohm ÷ 1 m = X ohm ÷ 2 m [here, X is the resistance of the second wire. from here, the second wire's resistance comes as 4 ohms

Explanation:

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