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In a moving coil galvanometer, what is the role of the spring?

Practice Questions

Q1
In a moving coil galvanometer, what is the role of the spring?
  1. To provide a magnetic field
  2. To measure current
  3. To return the coil to its original position
  4. To increase sensitivity

Questions & Step-by-Step Solutions

In a moving coil galvanometer, what is the role of the spring?
  • Step 1: Understand what a moving coil galvanometer is. It is a device used to measure electric current.
  • Step 2: Know that the galvanometer has a coil that moves when electric current passes through it.
  • Step 3: Recognize that when the coil moves, it can go out of its original position.
  • Step 4: Learn that the spring is attached to the coil.
  • Step 5: Understand that the spring pulls the coil back to its original position when the current stops.
  • Step 6: Realize that this pulling action is called restoring torque.
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