(a) Define an electric fuse. (b) Why is a fuse always connected in series with the…
PHYSICS · Subjective · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
(a) Define an electric fuse.
(b) Why is a fuse always connected in series with the live conductor of a domestic circuit and not with the neutral conductor? Give two reasons.
(c) A student replaces the standard fuse wire in the plug of a table-lamp with an ordinary piece of thick copper wire of the same length. Explain in detail what may happen to the lamp and to the household wiring if an accidental over-current occurs.