The current through the 2 kΩ resistance in the circuit

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The current through the 2 kΩ resistance in the circuit shown below is

1. 0 mA
2. 1 mA
3. 2 mA
4. 6 mA

Correct Option: A

This is a balance Wheatstone bridge.

∴ V_CD = 0 (V_C = V_D)
∴ i _CD = 0