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Question 3

Three bulbs A, B, C are connected in a circuit as shown in Figure. When the switch is ‘ON’

(a) bulb C will glow first

(b) bulb 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


Solution

As soon as the circuit is complete, All the bulbs will glow simultaneously because there is no time lag in the flow of current.


Physics
NCERT Exemplar
Standard VII

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