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Q. A single-phase industrial plant consists of two loads in parallel:
P1 = 48kW PF1 = 0.60 lagging
P2 = 24kW PF2 = 0.96 leading
It is operated from a 500-V, 60-Hz source. An additional capacitor C is added in parallel to improve the plant's overall power factor to unity.Determine the value of C in µF. Also sketch the power triangles before and after the addition of C, and find the overall current drawn from the supply.
Q. Sketch the timing diagram for a 4-bit ripple counter which uses T flip-flops.
Q. External Frequency Compensation of operational amplifier? For applications requiring a more extended high-frequency response, there are op amps with no internal compensation
A three-phase, 220-V, 60-Hz, four-pole, wye connected induction motor has a per-phase stator resistance of 0.5 . The following no-load and blocked rotor test data on the motor are
Advanatages of GPS system These systems have been developed to mimic the knowledge and expertise of an expert in a particular field. For instance: - prospecting for minera
A dc machine, operating as a generator, develops 400 V at its armature terminals, corresponding to a field current of 4 A, when the rotor is driven at 1200 r/min and the armature c
Working of Hartley oscillator : When the collector supply voltage Vcc is switched on, the capictor gets charged. The capacitor discharges through the inductor, setting up oscil
Q. (a) In the circuit shown in Figure the zener diode (with zero zener resistance) operates in its reverse breakdown region while the voltage across it is held constant at VZ and t
.I need some help for doing my assignment
Q. At the two terminals (A, B) of a one-port network, the voltage and the current are given to be v(t) =200 √2 cos (377t + 60°) V and i(t) = 10√2 cos(377t + 30°) A. (a) Determin
derive relation for hybriod pera meters
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