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The length of a given cylindrical wire is increased by 100%.

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+1 vote
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asked Mar 24, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 11

The length of a given cylindrical wire is increased by 100%. Due to the consequent decrease in diameter the change in the resistance of the wire will be

(a) 200% 

(b) 100%

(c) 50% 

(d) 300%.

1 Answer

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answered Mar 24, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 26, 2018 by Vikash Kumar
 
Best answer

(d) : Let the length of the wire be l, radius of the wire be r

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asked Mar 24, 2018 in Physics by paayal (26,720 points)

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