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Speed Control Using Phase Controlled Converters
Phase controlled converters converts a constant ac voltage into variable controlled dc voltage. This variable dc voltage can be used to control the speed of dc motor.
explain dynamically induced emf and derive expression for it
Q. Illustrate the operation performed by instruction OUT 47 h, AL. Ans: It transfers contents of AL to I/O port 47h. Notice that I/O port number appears as 0047h on the 16 b
Q. The voltage wave form of Figure is applied to an RLC series circuit with R = 2, L = 2H, and C = 1 F. Obtain i(t) in the series circuit. (Note that the capacitor and inductor va
Q. 10-kVA, 4800:240-V, 60-Hz, single-phase transformer has an equivalent series impedance of 120 + j300 referred to the primary high- voltage side. The exciting current of the tr
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Blanking circuit: The saw tooth sweep voltage applied to the X places moves beam across the CRT tube in a straight horizontal line from left to right during the sweep or trace tim
Given the frequency-domain response of an RL circuit to be determine the initial value and the final value of the current by using the initial-value and final-value theorem
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explain why entropy of a gas increases with volume and tempearture
Draw a graph illustrating how resistivity varies with temperature for an intrinsic semiconductor. b) Gallium nitride, GaN, has an energy gap of 3.36 eV at 300 K. Calculate the w
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