The adjoining figure shows a network of $4$ resistors which are connected to an electric source. Identify the resistors which are connected in series in this network.

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B, C and D

B, A and D

C, D and A

A, B and C

answer is A.

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Detailed Solution

Resistors B, C and D are connected in series in this network.
Question Image

As in the given circuit diagram, the resistors B, C and D are connected in series.
At the positive terminal, the current is getting divided into two different paths, one through resistors A and another through resistors B, C, and D. Current reach the negative terminal through the B, C and D resistors. And the current flow of this resistor will be the same. Therefore we can say that B, C and D are connected in series.

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