Moving coil and moving iron instruments can be distinguished by
Answers
Moving lron Instruments Moving Coil Instruments
Used for a.c and d.c voltage and current measurement. Used only for d.c voltage and current measurement.
Less sensitive to MC instruments. Much sensitive than M.I instruments.
Torque to weight ratio is less compared to M.C . Torque to weight ratio is high compared to M.I.
Cheaper than MC and dynamometer. Costlier than M.I and dynamometer type due to high Air
Error are due to hysteresis and stray fields. Error are due to aging of springs and permanent
magnet.