NUCLEAR CONSTITUENTS It is a known fact that from the scattering of α – particles, scientist Rutherford concluded that the atom of any element consists
Rectifier: A rectifier is a device that converts alternating current into direct current. Half wave rectifier: In this rectifier, the PN junction diode is connected
There are four major modes that the waves transmitted from a transmitter may follow to reach the destination and they are (a) Surface wave propagation
Let us derive the relation of electric field intensity at finite distance from transmitter Antenna If a horizontal Hertzian dipole antenna is used as a
Today we will discuss a very important relation related to wave propagation. The equation is known as Friis free space equation. As only a small
When a radio wave is radiated from the transmitting antenna, it spreads in all directions with decrease in amplitude with increasing distance because of spreading
In a PN junction diode holes are the majority carriers on P side whereas electrons are the majority carriers on n-side. The process of diffusion
Cavitation is formation of vapor bubbles of a following liquid in a region where the pressure of liquid falls below its vapor pressure. Cavitation is usually of
Ultrasonic waves can be detected by various methods as listed below: (a)Using radiometer: Ultrasonic waves can be detected using Radiometer. In this method ultrasonic beam
A magnetostriction generator can produce ultrasonic waves of comparatively low frequency. For generating high frequency ultrasonic waves, piezoelectric generator is used. Piezoelectric Generator.
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