Numerical - Radius of fuse wire for given value of current & other parameters of wire

Q.  A fuse wire of circular cross section has a radius of 0.8mm. The wire blows off at a current of 9A. What will be the radius of the wire that will blow off at a current of 1A?
- Published on 17 Nov 15

a. 0.2 mm
b. 0.18 mm
c. 0.28 mm
d. 0.3 mm

ANSWER: 0.18 mm

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    Discussion

  • Khelendra Maganlal Gajbhiye   -Posted on 09 Sep 20
    Dear sir this numerical solution please
  • Suresh   -Posted on 14 Aug 17
    Ans

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