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Construction of Phanotron

Construction of Phanotron: The constriction of a gas-filled diode or phanotron is similar to a vacuum diode except that the size of its electrodes is larger so as to conduct…

Explain Cold Cathode Gas Filled Diode

Cold Cathode Gas Filled Diode: The cutaway view of a Cold Cathode Gas Filled Diode is shown in Fig. 5.24. It essentially consists of two electrodes, namely cathode and anode,…

What is Cathode or Emitter and Types of Cathode?

What is Cathode or Emitter and Types of Cathode? The substance employed for electron emission is called a cathode or emitter. It is an essential part of an electron tube.…

What is Secondary Emission?

What is Secondary Emission? When a beam of high velocity electrons suddenly strikes a metallic surface, they give up their kinetic energy to electrons and atoms which they strike. Some…

What is Thermionic Emission?

What is Thermionic Emission? A very common method used for electron emission is by heating the metal piece to a high temperature. The process of electron emission from the surface…

What is Inductor in Electronics?

What is Inductor in Electronics? An inductor has been defined as a physical device which is capable of storing energy by virtue of a current flowing through it. An Inductor…

What is Resistor in Electronics?

What is Resistor in Electronics? What is Resistor in Electronics? - Resistance is a dissipative element, which converts electrical energy into heat, when the current flows through it in any…

Measurement of Physical Quantities

Measurement of Physical Quantities: Measurement of Physical Quantities is given by Displacement Measurement Strain Measurement Force Measurement Torque Measurement Pressure Measurement Temperature Measurement Water-Level Indicator Measurement and Display of Speed…