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?

A. 0.2 mm
B. 0.18 mm
C. 0.28 mm
D. 0.3 mm

Right Answer: B. 0.18 mm

January 15, 2018   Hassan Ali    Electrical Engineering  
Total 1 Votes:
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