Question

Why is fuse wire used in electric circuits?

• A. For protection against electric shock
• B. For the protection of electrical appliances and circuit
• C. To prevent insulation
• D. For the protection of ammeter

Answer 1

Answer: (B), (C)

The correct options are
B

For the protection of electrical appliances and circuit

C

To prevent insulation

Fuse wire is used in electric circuits to prevent the excess current flowing into the circuit and therefore preventing the appliances from getting damaged. When a short circuit occurs the fuse blows thus limiting the damage to the connected devices.