21. Practical Electricity

Fuse: The fuse is a devise which protects equipment from an excessive flow of current. When a fuse becomes hot and the current flowing through it is greater than it’s rated value, it melts. For safety precautions, fuses should have a rating which is slightly more than...

Electricity can be dangerous in these situations: damaged insulation overheating of cables damp conditions Damaged insulation: All electrical appliances require two wires to complete a circuit, the live and neutral wires, starting from the voltage supply to the...