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Q. A balanced delta-connected load with a per-phase impedance of 12 + j9 is supplied by a 173-V, 60-Hz three-phase source.
(a) Determine the line current, the power factor, the total volt-amperes, the real power, and the reactive power absorbed by the load.
(b) Sketch the phasor diagram showing all voltages and currents, with ¯VAB as the reference.
Explain the factors affecting permeability and hysterisis loss. Factors affecting permeability and hysterisis loss: When the initial permeability is high, the hysterisis los
Q. Describe an integrator circuit ? A circuit in which output voltage is directly proportional to the integral of the input is known as an integrating circuit. An integrating c
Q. Afixed-biasmethod is illustrated in Figure. Assuming ICBO to be small compared to I BQ and I CQ , find RB such that the operating point corresponds to I CQ = 14 mA, V CEQ = 7
i need a counter of following o/p truth table 00000000 10000000 11000000 11100000 11110000 11111000 11111100 11111110 11111111 00000000 10000000 . . . so please suggest me some IC
Q. Define Number Systems? A number system, in general, is an ordered set of symbols (digits) with relationships defined for addition, subtraction, multiplication, and division.
Operation - unijunction transistor: Operation : Imagine that the emitter supply voltage is turned biased and a small emitter reverse current flows. Then the intrinsic stand
Comparison of Analog-Modulation Systems The comparison of analog modulation systems (conventional AM, DSB SC, SSB SC, VSB, FM, and PM) can be based on three practical criteria:
digital voltmeter working principle
Increase in HT and LT Ratio It is well known that for high HT/LT ratio, the losses will be low. The losses for a given quantum of power supplied through a line are inversely p
Let the modulating signal m(t) be a sinusoid of the form m(t) = cos 2πf m t, f m c , and let the carrier signal be cos(2πf c t + φc). (a) Determine the conventional AM signal,
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