Easy MCQ +4 / -1

In a moving-coil galvanometer, the restoring torque is provided by:

  1. A the magnetic field
  2. B the coil's weight
  3. C a spring or suspension fiber Correct answer
  4. D air friction

Solution

The hair-spring/fiber torsion provides the restoring torque proportional to deflection.

About this question

Subject: Physics · Chapter: Magnetic Effects of Current · Topic: Moving Coil Galvanometer

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