Question

Assertion: fuse is a safety device which is installed to prevent electrical circuits. Reason: fuse having low melting point which melts and breaks the circuit if the current exceeds a safe value.

Answer 1

Answer:

Both A and R are true and R is correct explanation of A

Answer 2

Both assertion and reason are true, and the reason is a correct explanation for the assertion.

• A fuse is a wire joined in series with the main wire in a circuit to prevent short-circuit and assure safety.

• A fuse is made up of a metal wire with high resistivity and low melting point like aluminum, nickel, chromium, and iron.

• Whenever there is an overflow of current, the fuse wire melts and breaks the circuit to stop the flow of current and prevent damage.