Select the phenomenona that depends on heating effect of current.
A
Deflection of a needle
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B
Glowing of an incandescent bulb
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C
Melting of a wire
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D
Working of a motor
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Solution
The correct option is C Melting of a wire Glowing of an incandescent bulb and melting of a wire, both of these phenomena take place due to attainment of high temperature. Hence, they are examples of heating effect of current.