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प्रश्न
State two advantages of ‘the ring system of house wiring’.
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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
Flow of protons constitutes electric current.
In a cable, the green wire is the live wire.
All wires used in electric circuits should be covered with
A fuse wire should have
Can we use copper wire as a fuse wire? Give reason.
What do you mean by short-circuiting of a circuit?
What is the colour code for the insulation on the neutral?
Name the colour code of the wire which is connected to switch for the appliance.
A power circuit uses a cable having three different wires. To which wire should the switch and fuse be connected?
