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प्रश्न
Why is the heating coil placed in a circular porcelain plate in an electric stove?
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उत्तर
The procelain plate (i) is bad conductor of electricity (ii) does not melt till 1000°C.
संबंधित प्रश्न
Overloading of electric current in circuits can lead to short-circuiting.
Write true or false
Overloading of electric current in circuits can lead to short circuiting.
A fuse wire should have low .................
State one property of the material of a fuse wire.
With which wire: live or neutral is the fuse wire connected?
State two circumstances when one may get an electric shock from an electrical gadget. What preventive measure must be provided with the gadget to avoid it?
Name the colour code of the wire which is connected to metallic body of an appliance.
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. To which wire should the switch and fuse be connected?
