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Q. If an analog message that has a spectral extent of 15 kHz is sampled at three times the Nyquist rate, determine the sampling rate.
Q. A 230-V, single-phase, 60-Hz source supplies two loads in parallel. One draws 10 kVA at a lagging power factor of 0.80 and the other draws 6 kWat a lagging power factor of 0.90.
Pressure guage
Metering and Billing System Previously, you have learnt about various measures for reducing commercial losses of a utility. You have studied in which the metering and billing
Determine Impedance in each branch - delta connection: A delta connected balanced 3-phase load is supplied from a 3-phase 400 V supply. The line current is 30 Amp and the powe
Q. Two single-phase transformers, each rated 2400: 120-V, are to be interconnected for (a) 4800:240- V operation, and (b) 2400:120-V operation. Draw circuit diagrams and show polar
A 100kw,230v,dc shunt generator,with Ra=0.05,and Rf=57.5 has no load rotational loss(friction,wandage,core loss)of 1.8kw.compute a) The generator efficiency at full load.
Q. The equations for a two-port network are given by V 1 = z 11 I 1 + z 12 I 2 0 = z 21 I 1 + (z 22 + Z L )I 2 V 2 = - I 2 Z L (a) Satisfying the equations, dev
how back emf is produced in transformer?
Q. With suitable diagram explains the working of a sweep frequency generator. Sol. A sweep frequency generator or sweeper is a special type of signal generator in which the o
Explain the meaning of Ring Counters? A ring counter is fundamentally a circulating shift register in which the output of the most significant stage is fed back to the input of
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