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Question
The device which works on the heating effect of electric current is:
The device which works on the heating effect of electric current is:
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Solution
The correct option is D Incandescent bulb
Incandescent bulb works on heating effect of current. There is loss of energy in the form of heat. It requires a large amount of current to emit light.
LED emits light using a very different phenomenon called photovoltaic effect.
Wire is responsible for completion of circuits and provides the path for electric current to flow.
Magnetic compass shows deflection near a current carrying wire or a magnet.
Incandescent bulb works on heating effect of current. There is loss of energy in the form of heat. It requires a large amount of current to emit light.
LED emits light using a very different phenomenon called photovoltaic effect.
Wire is responsible for completion of circuits and provides the path for electric current to flow.
Magnetic compass shows deflection near a current carrying wire or a magnet.
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