The given figure shows a light bulb connected to a cell. Which of the following shows the energy changes that take place when a bulb glows?

Electrical → chemical → light → heat

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Electrical → chemical → heat → light

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Chemical → electrical → heat → light

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Chemical → electrical → light → heat

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Solution

The correct option is C Chemical → electrical → heat → light
The power source in this circuit is the cell. We know a cell converts chemical energy into electrical energy. When this current passes through the filament of the bulb, it heats up and emits light. So the correct option should be option A.

Chemical - electrical - heat - light

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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.

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