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Statement I : A fuse wire of diameter 0 ...

Statement I : A fuse wire of diameter 0 .5 mm can with 0 stand a maximum current of 1 A . For a current of 8 A , a fuse wire made of the same alloy should have a diameter of 2 mm .
Statement II : The radius r of a fuse wire and the maximum safe current I that may pass through it are related as `Ipropr^(3//2)` .

A

Statement I is true , Statement II is true , Statement II is a correct explanation for Statement I

B

Statement I is true , Statement II is true , Statement is not a correct explanation for statement I

C

Statement I is true , Statement II is false

D

Statement I is false , Statement II is true

Text Solution

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The correct Answer is:
A
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