Question

The safety device based on the heating effect of electric current is called-
I Compass needle
il. Electric Bell
iii. Electric Fuse
iv. None of these
5.
The teeth which help in cutting the food we eat are called-
1 Incisors
ii. Canines
III. Premolars
iv. Molars​

Answer 1

Answer

1 . electric fuse

The electric fuse works on the principle of the heating effect of electric current. It consists of a piece of wire made of a metal or an alloy of low melting point. As the current increases beyond a limit, the wire in the electric fuse melts and breaks off