Question

Assertion (A): A fuse wire is always connected in series with the mainline.

Reason (R): If a current larger than the specified value flows through the circuit, fuse wire gets heated too much, melts and breaks the circuit.

Options

• Both A and R are true and R is correct explanation of the assertion.

• Both A and R are true but R is not the correct explanation of the assertion.

• A is true but R is false.

• A is false but R is true.

Answer 1

Both A and R are true and R is correct explanation of the assertion.

Explanation:

The assertion is true because a fuse must be in series to monitor the total incoming current. The reason is also true because excess current generates heat that melts the fuse wire. Since melting the series connection safely stops current flow to all appliances, the reason correctly explains the assertion.