The rating of a fuse connected in the lighting circuit is:

1. 15 A
2. 5 A
3. 10 A
4. zero

A switch must be connected in the:

1. live wire
2. neutral wire
3. earth wire
4. either earth or neutral wire

The use of MCB is more convenient than a fuse because :

1. it avoids the inconvenience of connecting a new fuse wire
2. it is much safer for quick response
3. it takes a very long time for tripping
4. both (1) and (2)

Complete the following sentences —

(a) A fuse is a short piece of wire of high ………. and of material low ………..

(b) A fuse wire is made of an alloy of ………. and ……….. If the current in a circuit exceeds the current rating of the fuse wire it ………..

(c) A fuse is connected in ………. with the ………. wire.

(d) Higher the current rating, ………. is the fuse wire.

(e) Live wire is also called ………. wire.