Home Physics Current Electricity Resistance There are two wires of the same length and o…
Physics Current Electricity Resistance MCQ (Single Correct)

There are two wires of the same length and of the same material and radii r and 2r. The ratio of their specific resistance is

A
1 : 2
B
1 : 1
C
1 : 4
D
4 : 1

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Text Solution

Verified by Experts
The correct answer is:
B

Specific resistance depends only on the material of the wire.

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