Question

A fuse wire with radius 1 mm blows at `1.5` amp . The radius of the fuse wire of the same material to blow at 3 A will be
A. `4^(1//3)mm`
B. `3^(1//4)mm`
C. `2^(1//2)mm`
D. `3^(1//2)mm`

Answer 1

Correct Answer - A