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Amplifier is a functioning by which the amplitude of variation of ac signal voltage / current/ power can be enhanced
(i) Principle and circuit diagram: The amplifying action of the triode is based on the fact that small change in grid voltage produces the similar change in the grid voltage as because of a large change in the plate voltage. A circuit for triode as an amplifier
(ii) Working: First of all the mutual characteristic curves of a triode to be used as an amplifier is plotted and the grid potential - Corresponding to the mid-point of straight portion of characteristic curve is noted.
WHAT ARE THE PROPERTIES OF MAGNETS?
as flux = E.A and flux density is equal to flux/A then why A/A cannot e cancelled ?
The coherent & rationalized system of units, derived through the m.k.s. system (that itself is derived from the metric system) in common employ in physics today.
Water at 20°C flows through a long, straight pipe. The pressure drop is measured along a section of the pipe of length 1.3 m as a function of average velocity through the pipe. Res
Briefly explain with necessary theory how you will calculate refractive index of water/transparent liquid by using Newton's ring apparatus?
The coordinates of two points in space are A(1, 2, 3) and B(4, -1, 2). Determine the angle between radius vector A and B.
ratio of specific heats of polyatomic gas
a) Thomson's heat is proportional to the current passing by the conductor. b) This effect is produced when parts of similar conductor are kept at dissimilar temperature. c) I
Newton's law of universal gravitation (Sir I. Newton): Two bodies attract to each other with equal & opposite forces; the magnitude of this force is proportional to the produ
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