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Moving Charges and Magnetism — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsMoving Charges and Magnetism1 Mark
Question
Write the underlying principle of a moving coil galvanometer.
✓

Answer

A current carrying coil, in the presence of magnetic field, experiences a torque, which produces proportionate deflection.

Alternate Answer

[(deflection) $\theta \alpha\tau$ (Torque)]

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