How many main types of moving iron instruments are there?

How many main types of moving iron instruments are there?

Right Answer is:

Two

SOLUTION

There are two main types of moving iron instruments:

  • Attraction Type: In this type, a single piece of soft iron is pulled towards the coil when current flows through it.
  • Repulsion Type: In this type, two pieces of soft iron are placed inside the coil. When current passes, both pieces become magnetized and repel each other, causing the movement of the moving piece.

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