Hot Wire Instrument | Construction & Working
Hot Wire Instrument The instruments which use the heating of the current for knowing their magnitude such type of instrument is known as the hot wire instrument. It work on…
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…