Electric fuse is based on the principle of  __________________

Which of the following are correct :

(a) We should not try to repair appliances without a proper technical knowledge.

(b) We must ensure that MCB and fuses of correct strength have been used in the circuit.

The necessary requirements for a fuse wire are ___________________

Which has no importance for fuse wire ________________.

When a fuse is rated 8A, it means __________________

Electricity from power stations is transmitted to homes through __________________ voltage power lines.

The + ve terminal of Ammeter is connected to ____________ terminal of the circuit and - ve terminal is connected to ____________ terminal of the circuit.

The internal resistance of a voltmeter must be very high so that ____________________________ .

An electric fuse work on ___________ effect of electric current .

Wire connected to bypass a protective circuit is known as  ______________