A fuse wire repeatedly gets burnt when used with a good heater . It is advised  to use a fuse wire of:

(a) more length (b) less radius (c) less length (D) more redius

A fuse wire should have low resistance. We know that a wire of bigger radius has low resistance, hence fuse wire should have more radius.

Answer is (d) more radius

  • -5


  • 8
What are you looking for?