Draw and Explain the Construction and Working Principle of DC Motor
DC Motor A DC motor is a machine which converts electrical energy into mechanical energy is known as DC motor. Image By - Electrical Technology Construction of DC Motor The construction…
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-…
Electrical Resonance Type Frequency Meter
Frequency Meter A frequency meter is a device used to measure the frequency of an electrical signal, which can be an alternating current (AC) power supply, radio waves or any…
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…
