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0 votes
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in Physics by (90.5k points)
A fuse wire with radius of `0.2mm` blows off with a current of 5 Amp. The fuse wire of same material,but of radius 0.3 mm will blow off with a current of
(1) `5xx(3)/(2)Amp`
(2). `(5sqrt(3))/(2)Amp`
(3). `5sqrt((27)/(8))Amp`
(4). `5 Amp`
A. `5xx(3)/(2)amp`
B. `(5sqrt(3))/(2)amp`
C. `5sqrt((27)/(8))amp`
D. 5amp

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1 Answer

0 votes
by (88.6k points)
Correct Answer - C
`i^(2)alphar^(3)`

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