Two wires of same length and material have radii r and 2r. The ratio of their specific resistances is :(1) 1:2(2)1:1(3) 1:4(4) 4 : 1
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Answer:-1:1
Explanation:
Specific resistance only depends on temp,read the question carefully it is given that wires are made off same material.so ans is 1:1
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