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,…
Static Characteristics of Instruments
Static Characteristics of Instruments The set of criteria defined for the instruments, which are used to measure the quantities which are slowly varying with time or mostly constant, i.e. ;…
Single Phase Induction Type Energy Meter
Single Phase Induction Type Energy Meter Single phase energy meter are used for measurement for electrical energy in AC circuit. Energy meter is an integrating instrument which measures the total quantity…
MOSFET | Working Principle | V-I Characteristics & Applications
MOSFET The MOSFET (Metal Oxide Semiconductor Field Effect Transistor) transistor is a semiconductor device that is widely used for switching purposes and for the amplification of electronic signals in electronic devices. MOSFET…
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…
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…
Bipolar Junction Transistor (BJT)
Bipolar Junction Transistor A bipolar junction transistor is a three terminal semiconductor device consists of two P-N junctions which are able to amplify a signal. It is a current controlled…
Explain Construction and Working of Autotransformer
Autotransformer An autotransformer is a type of electrical transformer with only one winding. In an autotransformer, one single winding is used as primary winding as well as secondary winding. In…
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