Something To Know
A. Fill in the blanks.
1.
energy
When current is switched on, an electric fan converts
(mainly) into
energy
2.
When current is switched 'on' in a room heater, it converts
energy.
energy into
3.
We prefer a wire of
for making the heating element in
domestic appliances like the electric iron, electric heater and the electric toaster.
4.
A safety device, based on the heating effect of current is the
5. Electromagnet should show rapid
when the current is switched
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Step-by-step explanation:
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1. Electrical energy to mechanical energy
2. Electrical energy to Heat energy
3. Copper
4. Condenser
5. Attractions
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