mention 2 problems associated with the heating effect of electric current
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Disadvantages of the heating effect of current
1) When an electric current flows through the conductor, a part of it is converted into heat energy. This is a waste of energy. 4) An additional cooling system needs to be added to the circuit to counter the heating effect. This adds to the cost.
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1---make the bulb hot which can fuse the filament
2--- waste of heat energy due to production of heat
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