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12 votes
The length of a certain wire is kept same while its radius is doubled. What is the new resistance of this wire

User Stink
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1 Answer

23 votes
23 votes

Answer:

R = K L / A resistance proportional to length and inversely proportional

to area

R2 / R1 = A1 / A2 = A1 / (4 A1) = 1 / 4

R2 = R1! / 4

User RyPope
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