Question 3
A battery lights a bulb. Describe the energy changes involved in the process.

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Solution

When a bulb is connected to a battery, then the chemical energy of the battery is transferred into electrical energy. When the bulb receives this electrical energy, then it converts it into light and heat energy. Hence, the transformation of energy in the given situation can be shown as: Chemical Energy $\to$ Electrical Energy $\to$ Light Energy + Heat Energy.

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Similar questions

A battery lights a bulb. Describe the energy changes involved in the process.

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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