A fuse is a wire made out of a metal like tin having a very low melting point. When a high current flows through a circuit, the fuse wire gets heated or melts due to short circuiting or overloading.
1. Why are fuses used?
a. To protect electric circuits
b. To damage electric circuits
c. To cause fire
d. To make noise
2. Which metal is preferably used to make fuses?
a. Iron
b. Gold
c. Silver
d. Tin
3. What are the two ways in which a fuse breaks down?
a. Snow and overloading
b. High temperature and winters
c. Short circuit and overloading
d. Short circuit and summers
4. What happens to the circuit when the fuse wire melts?
a. It elongates
b. It breaks
c. It makes noises
d. It starts revolving
5. Which fuse will be thinner out of the following : A 5 Ampere fuse or a 15 Ampere fuse?
a. 15 A
b. 5 A
