Question

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Answer 1

Answer:

4 times increases

for your answer

Answer 2

Answer:

If the length of the the conductor is doubled,its resistance will increase by four times

let the original resistance be R and area be A,and length be l

original resistance=length/area

R=l/A

New resistance =2l÷(1/2A)

R=4l/A

therefore, resistance will increase 4 times.

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