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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 ultrasonic drilling and cutting? Explain in short. Ultrasonic Drilling and Cutting Ultrasonic are utilized for making holes into very hard materials as like glass a
chemistry in action - Detergents A result of high dissolving power, the logically happening water all time consists of dissolved matters, majorly ionic substances. Hard water h
If you "bow" a string on a violin you hear a note with a frequency of 1020 Hz. If the length of the string is about 40cm, what is the "wave" on the string? Draw a diagram to show
Are fibers optics systems expensive? To find out whether a system is expensive one would have to establish a comparison with an option, which in most cases doesn't exist. To co
It consists of two semis circular plates. One is of quartz and other is glass plate joined together along the diameter. The quartz semi circular plate is a half wave plate whose
Q. Does sunlight reflected off a mirror raise the temperature of the sun-rays? Answer:- A standard planar mirror will not raise the energy contained in the rays that refle
Details about halls effect
The power factor of an a.c. circuit is 0.5. What will be the phase difference among voltage and current in this circuit?
Describe specific charge? Desfine Thomson's experiment to calculate e/m of an electron with relevant theory.
What you mean by term quantum mechanics? The term “quantum” came from the Latin word that implies "how great" or "how much" that is quantity. In quantum mechanics, that refers
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