Q. Moving iron meter is usually used for measurement of__

A
AC and DC
B
DC only
C
AC only
D
None of these
Solution:

Moving iron Instrument or Moving iron meter is used to measure the current and voltage of AC and DC. They are non-directional. The working principle depends upon the movement of iron attracted by the magnetic field towards it and repulsion between them. The magnetic field is produced by the current in the coil.

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