Can there be any resistor inside some complex circuit where current flowing through it is zero. ..

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Solution

Yes in many circuits there is no current flowing through an circuit. A simple example is wheatstone bridge.See the above circuit
If R1/R4=R2/R5
No current flows through R3.
This is called the balanced condition of Wheatstone Bridge

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Can there be any resistor inside some complex circuit where current flowing through it is zero. ..

Yes in many circuits there is no current flowing through an circuit. A simple example is wheatstone bridge.See the above circuit If R1/R4=R2/R5 No current flows through R3. This is called the balanced condition of Wheatstone Bridge

Yes in many circuits there is no current flowing through an circuit. A simple example is wheatstone bridge.See the above circuit
If R1/R4=R2/R5
No current flows through R3.
This is called the balanced condition of Wheatstone Bridge