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Question

Study the circuit given below.
figure

If a second cell is connected in series with the first cell, what would happen to bulbs 1 and 2?
(a) They will continue to glow as before.
(b) Bulb 1 will glow brighter as it is closer to the cell.
(c) Bulb 2 will become dimmer.
(d) Both will glow brighter than before.


Solution

(d) Both will glow brighter than before.
If a second cell is connected in series with the first cell, both bulbs will glow more brightly due to greater voltage generated by the cells.

Science
Active Science
Standard VII

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