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A voltage amplifier without feedback has a nominal gain of 500. The gain, however, varies in the range of 475 to 525 due to parameter variations. In order to reduce the per-unit change to 0.02, while maintaining the original gain of 500, if the feedback is introduced, find the new direct transfer gain G and the feedback factor H.
Explain the factors affecting permeability and hysterisis loss. Factors affecting permeability and hysterisis loss: When the initial permeability is high, the hysterisis los
what is polar diagram?
Critical Rate of Rise of Current The maximum rate of increase of current during on state which the SCR can tolerate is called the critical rate of rise of current f
Q. Draw the circuit of a 7805 voltage regulator? Explain the functions of the capacitors used at its input and output sides. Functions of capacitors used at input and outp
Q. What is a positive clipper? Explain its action with the help of a circuit. A positive clipper is the circuit which is used to cut off the positive half cycle. The circuit wi
what about power genration?
Q. Give the principle of biasing a FET amplifier. To correctly bias the FET, the gate needs to be negative with respect to the source. Bias is obtained in the following manner:
i have an assignment related to magnetic field i have attached the( MRI assignment sheet)[1] please read it carefully in the assignment 2 methods to get the results - one by
examples in building electric helicopter using cardboard, balsa wood, scotch tape, glue, binder clips, rubber bands, rubber stoppers, etc. attached to a 12v power supply
The magnetic fields can be plot by using: i. Compass ii. Iron dust method .
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