Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer.

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Q 12. Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer.

The value of the unknown resistor R is
a. 13.75Ω b. 220 Ω c. 110 Ω d. 55 Ω
AIEEE 2008

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