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IrinaVladis [17]
2 years ago
7

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

Physics
1 answer:
Amiraneli [1.4K]2 years ago
8 0

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

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