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23-04-2024
Engineering

Answered

2.An ac bridge is configured as follows: i.Arm AB: A resistance of 600 Ω in parallel with a capacitance of 0.3 μF ii.Arm BC: An unknown non-inductive resistance iii.Arm CD: A non-inductive resistance of 1000 Ω iv.Arm DA: A resistance of 400 Ω in series with a capacitance of 0.1 μF If a supply is given between terminals A and C and the detector is connected between nodes B and D, find the resistance required in the arm BC and also the supply frequency for the bridge to be balanced.

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