Domestic electrical wiring has three wires

What is the main difference in the wiring of an electric bulb and a socket for using an electric iron in a domestic electric circuit ? What is the reason for this difference ?

In a domestic electric ciruit -wiring , with which wire do we connect a fuse ?

The ___________ in a domestic electric circuit is called Live wire.

Answer the following questions : In a domestic electric supply in India, what is the potential difference between the live wire and the neutaral wire?

Circuit Breaker Device which can be used in place of fuse in domestic electric wiring is called :

Which has less electrical resistance: a thin wire or a thick wire (of the same length and same material)?