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Biology, 25.02.2021 20:50 gg68814

3. We prefer a wire of
energy
for making the 'heating element in
4.
5.
Electromagnet should show rapid
when the current is switched
domestic appliances like the electric iron, electric heater and the electric toaster.
A safety device, based on the heating effect of current is the​

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3. We prefer a wire of
energy
for making the 'heating element in
4.
5.
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