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Q. Briefly explain about Wye-delta transformation?
Certain network configurations cannot be reduced or simplified by series-parallel combinations alone. In some such cases wye-delta (Y- ) transformation can be used to replace three resistors in wye configuration by three resistors in delta configuration, or vice versa, so that the networks are equivalent in so far as the terminals (A, B, C) are concerned, as shown in Figure. For equivalence, it can be shown that
For the simple case when RA = RB = RC = RY, and RAB = RBC = RCA = R , Equations (1) and 2) become
DC chopper This is one stage conversion device which is used for direct conversion of fixed de voltage at a level to an adjustable dc voltage at another level.
a) What is meant by frequency response and how would you check the performance of your amplifier? b) Calculate the Voltage Gain of your amplifier at a range of frequencies suffic
Background Information Electrical machines usually consist of copper windings on steel cores, and their AC resistance is greater than their DC resistance. The power loss has
what is
how a combination clipper works?
#question what are the types of lines used there and their application ..
Transmission Through a LiNb0 3 Plate Examine the transmission of an unpolarized He-Ne laser beam (?o= 633 nm) normally incident on a LiNb0 3 plate (ne = 2.29, no = 2.20) of thickn
Calculate power delivered to the network: 1. A wave is traveling from left to right, emerging from Z g =50 with a peak amplitude of V p =5V. The 1-port network [S] has in=0.5-
how back emf is produced in transformer?
Q. Explain about Half Duplex Transmission? Half Duplex Transmission A half-duplex channel can receive andsend, though not at the same instance. It's like a one-lane bridge w
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