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 Share : January 15, 2018 Hassan Ali Electrical Engineering Total 1 Votes: 0 1 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -Transmission efficiency of a transmission line increases with the?What type of insulation is preferred for DC smoothing Reactors?The efficiency of the transformer will be maximum when?