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Q. What do you mean by Feedback in amplification?
Feedback : Feedback in its broadest sense means that a certain amount of the output signal is "fed back" into the input. An amplifier - or an element of an amplifying device - is presented with the input signal, and compares it to a "small scale replica" of the output signal.
If there is any difference, the amp corrects this, and ideally ensures that the output is an exact replica of the input, but with a greater amplitude. Feedback may be as a voltage or current, and has a similar effect in either case.
Capacitors : These are electrical condensers having a system of electrical conductors and insulators. The simplest form consists of two parallel metal plates separated by a layer
its defination and mathematical expression if any
Q. What is Output Impedance? Output Impedance : The output impedance of an amplifier is a measure of the impedance or resistance. It has nothing to do with the actual loading t
STC Set Carry Instruction This instruction sets the carry flag to 1. The instruction format is STC Flags except carry no other flags are affected
Each year the University computer society holds a „virtual fair? in Second Life in order to raise money for charity. The main attraction at the event is a lucky dip, where attendee
What is the clock frequency of 8086? Internal clock Frequency 5 MHz 8MHz External Clock Frequency 15MHZ 24MHZ
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Most ac generators used in Power Stations are of the " Flux Cutting " types. Their effiencies range from less than 33% to slightly more than 60%. In their efficiency equations, the
Q. The dual situations is shown in Figure , in which a high-pass and a low-pass filter are connected in parallel to produce a bandstop filter. With ω CLP = 10 CHP = 50, ω 0
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