When a bulb lights upon passing current the change of energy is:

From electrical energy to heat energy

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From electrical energy to light energy.

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From electrical energy to heat and light energy.

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From electrical energy to mechanical energy

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Solution

The correct option is C
From electrical energy to heat and light energy.

The explanation for correct:
Bulb is the device that converts electrical energy into light energy and some amount of heat energy.
The explanation for Incorrect:
Heater is the device that converts electrical energy into heat energy
Motor and fan are the devices, which convert electrical energy into mechanical energy.
Thus, The correct option is C

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Similar questions

A bulb lights up when connected to a battery. State the energy change which takes place :

(i) in the battery.

(ii) in the bulb.

When electric current is passed through an incandescent bulb, the bulb gives light. Identify the proper reason.

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