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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
Name the color code of the wire which is connected to the metallic body of an appliance.
Write true or false
Overloading of electric current in circuits can lead to short circuiting.
A fuse wire should have low .................
When the switch of an electric appliance is put off, it disconnects
Out of the wires- live, neutral and earthing, on which line will you connect the fuse and the switch. Give reason for your answer.
Live wire is also called ______ wire.
Name the colour code of the wire which is connected to metallic body of an appliance.
Why is the heating coil placed in a circular porcelain plate in an electric stove?
State the colour coding of wires in the flexible lead used for connecting the appliances to the mains in a house circuiting.
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?
