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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
When the switch of an electric appliance is put off, it disconnects
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Out of the wires- live, neutral and earthing, on which line will you connect the fuse and the switch. Give reason for your answer.
Why is the filament in an electric bulb coiled?
Why mica is preferred to other insulators in an electric iron?
According to the old convention, the colour of the earth wire is ______.
What is the colour code for the insulation on the neutral?
A power circuit uses a cable having three different wires. To which wire should the switch and fuse be connected?
