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 %
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 %
Question ID - 151580 | SaraNextGen Top Answer
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 %
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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 |
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|
a) |
200 % |
b) |
100 % |
c) |
50 % |
d) |
300 % |
1 Answer
127 votes
Answer Key / Explanation : (d) -
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(d) Given Initial volume = final volume ie,
Thus,
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127 votes
Answer Link
127