Advertisements
Advertisements
प्रश्न
Usually three insulated wires of different colours are used in an electrical appliance. Name the three colours.
उत्तर
The three colours are red, black and green.
The red coloured wire is live wire, black coloured wire is neutral wire and green coloured wire is earth wire.
APPEARS IN
संबंधित प्रश्न
What happens to the resistance of the circuit during a short circuit?
What happens to the flow of electric current during a short circuit?
An electric oven of 2 kW is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect? Explain.
What precaution should be taken to avoid the overloading of domestic electric circuits?
What is the electric potential of the wire in a mains supply cable?
When does an electric short circuit occur?
Give two reasons why different electrical appliances in a domestics circuit are connected in parallel.
How are the electrical appliances connected in a house circuit: in series or in parallel? Give reason.
Overloading is due to
Switches are connected to ____________.
