moving iron instruments
Moving Iron Instrument | Advantages & Disadvantages

Moving Iron Instrument There are indicating instrument which are used to measure current & voltage. In moving iron instrument the movable system consists of one or more pieces of specially-…

Measuring instruments
Classification of Measuring Instruments

      Classification of measuring instruments :- The instruments are used for measuring the unknown quantity. These instruments are used for the measurement of the electrical quantities like voltage, current,…

PMMC
PMMC Instrument || Construction & Working || Advantages & Disadvantages

PMMC A permanent magnet moving coil instrument can measure DC voltage & current. The working principle of these instrument is the same as that of the D' Arsonval type of…