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Question

When electric current is passed through a bulb, the bulb gives light because of

A
electric effect of current
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B
heating effect of current
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C
glowing effect of current
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D
Lighting effect of current
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Solution

The correct option is B heating effect of current

The heating effect of current increases the temperature of special wire used in Bulb called tungsten, which glows after getting a particular amount of heat which is supplied by passing current.


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