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Q.

Three bulbs A, B, and C are connected in a circuit as shown in the given figure. Which of the following statements is correct when the switch is ‘ON’?


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a

bulb C will glow first

b

bulbs B and C will glow simultaneously and bulb A will glow after some time

c

all the bulbs A, B, and C will glow at the same time

d

the bulbs will glow in the order A, B, and C 

answer is C.

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Detailed Solution

When the switch is ‘ON’, all the bulbs A, B and C will glow at the same time.
Here, we can say that all three bulbs are connected in a series to the battery. That means all the three bulbs i.e., bulbs A, B, and C in the given figure are connected in series with each other. So that when the bulb is turned on, those three bulbs light up at the same moment.
 
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