In a moving coil galvanometer, the deflecting torque τ acting on the coil is related to the current I flowing through it as :

Question

MCQ (Single)Moving Coil Galvanometer and Its Working PrincipleCBSE PYQ

Similar Questions

Assertion (A) : The torque acting on a current carrying coil is maximum when it is suspended in a radial magnetic field. Reason (R) : The torque tends to rotate the coil on its own axis.

Assertion-ReasonTorque on Current Loop in Magnetic FieldMoving Coil Galvanometer and Its Working Principle

A galvanometer is converted into a voltmeter of range (0 – V) volt using a resistor of 9900 Ω. If a resistor of 4900 Ω is used, the range becomes half, i.e. (0 – V/2) volt. Calculate : (a) resistance of the galvanometer (b) resistance required to convert it into a voltmeter of range (0 – 2V) volt.

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Moving Coil Galvanometer and Its Working Principle