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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.
Explain Shifting pendulums?? Get two soda water bottles that are exactly the similar size. Fill them with water and cork tightly. Place a rod across the back of two chairs. Sus
composition of two SHM at right angle to each other and having time period in the ratio of 1: 2
In an electric field rate of change of potential with distance is called as potential gradient. It is a vector quantity and its direction is differing to that of electric field. Po
Explain Thermal Physics and Quanmtum mechanics Thermal Physics , in which one studies the nature of heat and the changes that the addition of heat brings about in matter.
What is force
DIMENSION of Newton DIMENSION ? The dimension of force is [MLT -2 ]
The displacement of body in particular second is given by the equation Sn=u+a (2n-1)÷2, u is speed and a is acceleration. Dimensions of Sn are?
construction & working.
why it is not possible to charge one object by rubbing without charging another object by rubbing
For higher current rating application, resistance wires with extremely large cross sections are required. The necessary large cross sections are produced in the form of resistance
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