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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
Switching Characteristics The switching characteristic of an IGBT during turn on and turn off time all shown in the sum of delay time and rise time gives the total tur
Q. DTL AND TTL LOGIC CIRCUITs? Bipolar transistorswere the first solid-state switching devices commonly used to implement digital logic circuits in the 1950s and 1960s. These c
Ten 1.5V cells in series, each cells having an internal resistance of 0.3Ω, are connected series to a load of 25Ω. Determine : i.The current flowing the circuit
A closed magnetic circuit of cast steel having a 6cm long path of cross-sectional area 1cm 2 and a 2 cm path of cross-sectional area 0.5 cm 2 . A coil of 200 turns is wound around
Q. Can you explain about Trapeziodal Clippers? During The Positive half cycle, the diode D1 will be open circuited and the input appears as the output until, the applied bias v
why h parameter used in low frequency transistor amplitfier
Explain the discovery of neutron. Mention its properties. Discovery of Neutron: The existence of neutron was first predicted by Rutherford in the year 1920. But it was discov
Q. Discuss the operation of a transistorized phase shift oscillator with the help of a diagram? Explain the phase shifting circuit? An oscillator is a circuit which converts el
explain the details of varnier type potentiometer
Discuss need of Caches. Caches are other big thing done in the last 2 decades to enhance performance. Keep things locally when they are going to be used soon. By a physics vie
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