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A moving coil galvanometer has the following characteristics – Number of turns of coil = 50; Area of coil = 70 mm2; Resistance of coil = 30 Ω; Flux density of radial field = 0.1 T; Torsional constant of suspension wire = 7 × 10-8 N m/rad. Calculate the current and voltage sensitivity.

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MCQs on magnetic force, magnetic field motion, electric and magnetic field motion, biot savart law, amperes circuital law, solenoid and toroid, two parallel currents forces, moving coil galvanometer, current loop and magnetic dipole torque.


A moving coil galvanometer has the following characteristics – Number of turns of coil = 50; Area of coil = 70 mm<sup>2</sup>; Resistance of coil = 30 Ω; Flux density of radial field = 0.1 T; Torsional constant of suspension wire = 7 × 10<sup>-8</sup> N m/rad. Calculate the current and voltage sensitivity.






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