Answer:
Resistance, R = rho l/A
So resistance is inversely proportional to area.
If diameter increases by 4 times, area will be increased by 16 times (Area =
[tex]\pi {d}^{2} \div 4[/tex])
Hence, new resistance will be R/16
hope this will help you
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Verified answer
Answer:
Resistance, R = rho l/A
So resistance is inversely proportional to area.
If diameter increases by 4 times, area will be increased by 16 times (Area =
[tex]\pi {d}^{2} \div 4[/tex])
Hence, new resistance will be R/16
hope this will help you