Moving Iron Instruments: Classification, Construction ...
Moving Iron Instruments . Classification of Moving Iron Instruments . Moving iron instruments are of two types (i) Attraction type. (ii) Repulsion type. 1 . Attraction Type . Ø The coil is flat and has a narrow slot like opening.. Ø The moving iron is a flat disc or a sector eccentrically mounted.. Ø When the current flows through the coil, a magnetic field is produced and the moving iron ...