Question

Q-4 (B) As shown in the figure, Radhika joins two bulbs with an electric cell. She observes that

the filament of the bulb B is broken. Will the bulb A glow in this circuit? State the

reason.​

Answer 1

Answer:

Electricity to the bulb in a torch is provided by the electric cell. Electric cells are also used in alarm clocks, wristwatches, transistor radios, cameras and many other devices. Have you ever carefully looked at an electric cell? You might have noticed that it has a small metal cap on one side and a metal disc on the other side (Fig. 1). Did you notice a positive (+) sign and a negative (–) sign marked on the electric cell? The