Advertisements
Advertisements
प्रश्न
State two advantages of ‘the ring system of house wiring’.
Advertisements
उत्तर
The three advantages of ring system are:
(i) Length of wiring used is much less and so less costly, since a single ring feeds the whole house.
(ii) In case of short-circuit, only the fuse of that particular appliance blows off, diconnecting it from the electric circuit; while the circuits of other appliances remain unaffected.
संबंधित प्रश्न
Write true or false
Overloading of electric current in circuits can lead to short circuiting.
A switch is connected to the .......... wire.
A fuse wire should have
Name the material of a fuse wire.
With which wire: live or neutral is the fuse wire connected?
Why is the metal covering of an electrical appliance earthed?
Name the material and type of wires for the following:
(a) Connecting wires for lighting
(b) Fuse wire
(c) Heating elements
(d) Connecting wires of a power line
(e) Earthing elements
How does the colour code of wires in a cable help in house wiring?
A power circuit uses a cable having three different wires. Between which of the two wires should the heating element of an electric geyser be connected?
