82.
A Fuse wire is characterised by

83.
When the main switch of the house is put off it disconnects the

85.
Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.

87.
The electric current in a metal wire is due to the flow of -

88.
An electric fuse is based on

89.
Metals are good conductors of electricity because

90.
Find the current (in A) when a charge of 1200C flows in 6 seconds.