Question

What energy changes take place in the figure given, where a bulb glows with the help of a cell?

• A. Electrical $\to$ light
• B. Electrical $\to$ heat $\to$ light
• C. Chemical $\to$ electrical $\to$ heat $\to$ light
• D. Chemical $\to$ electrical $\to$ light $\to$ heat

Answer 1

Answer: (C)

Chemical $\to$ electrical $\to$ heat $\to$ light

The chemical energy stored in the cell converts into electrical energy, which heats up the filament of the bulb, which upon getting heated-up glows.