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Choose the correct statement about the given circuit: Three identical bulbs are connected as shown in the figure.

A

Bulbs A and B are in parallel with bulb 'C'

B

The potential (e.m.f) in the circuit is 60 V.

C

When switch 'S' is turned on all bulbs glow with the same brightness.

D

Both (a) and (b)

Text Solution

Verified by Experts

The correct Answer is:
D
From the circuit diagram it is clear that bulbs A and B which are in series with each other are in parallel with bulb C. And the total e.m.f. (potential) in the circuit is 60 V.
When switch is turned on the bulbs in series combination glow with less brightness than the bulb C which is in parallel with A and B.
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