Find the value of current in the circuit.

F1 Madhuri UG Entrance 19.04.2023 D11

This question was previously asked in
CUET Physics 18th Aug 2022 Official Paper
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  1. 4 A
  2. 3 A
  3. 2 A
  4. 1 A

Answer (Detailed Solution Below)

Option 4 : 1 A
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Detailed Solution

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Calculation:

The given circuit can be rearranged as 

F1 Madhuri UG Entrance 19.04.2023 D12

Where the resistance of each resistors are 2 ohms and voltage applied is 2 V.

We can see that arm resistances R1 ,R2,R3,R4

R1R3 = R2R4

the above circuit is a wheat stone bridge.

The current flowing through the middle branch would be zero.

Net resistance "R" will be =  (2 + 2) II (2 + 2)

R = 2 ohm.

The current from the battery would be 

I = V/R

V = 2 Volts.

So, I = 2/2 = 1 A

I = 1 A.

The correct answer is option (4).

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