In a circuit for finding the resistance of a galvanometer by half deflection method, a 6 V battery and a high resistance of 11 k… are used. The figure of merit of the galvanometer is 60 …division. In the absence of shunt resistance, the galvanometer produces a deflection of … = 9 divisions when current flows in the circuit. The value of the shunt resistance that can cause the deflection of … is closest to :

Option D. Current required by unit deflection is 60 …A.

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Current Electricity

JEE Main 2018 · 16 Apr, Morning shift · Q6455

PhysicsMedium226×since 2002Q6455

In a circuit for finding the resistance of a galvanometer by half deflection method, a 6 V battery and a high resistance of 11 k

\Omega

are used. The figure of merit of the galvanometer is 60

\mu A/

division. In the absence of shunt resistance, the galvanometer produces a deflection of

\theta

= 9 divisions when current flows in the circuit. The value of the shunt resistance that can cause the deflection of

\theta /2,

is closest to :

Current Electricity — JEE Main 2018 · 16 Apr, Morning shift · Q6455 · Alror