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Q.
(a) An audio amplifier with Ri = 10 k, Ro = 0, and ¯A(ω), as shown in Figure (a), is used in the circuit shown in Figure with RS = 1 k,RL = 16 , and C = 0.2 µF. Sketch GV(f ) versus frequency if GV(f ) is defined by GV (f ) = |¯VL| / |¯VS|.
(b) Find fmax for this circuit if fmax, the maximum usable frequency, is defined as the frequency at which GV has dropped 6 dB below its maximum value.
Q. A balanced electrical industrial plant load of 9.8 MW with 0.8 lagging power factor is supplied by a three-phase 60-Hz system having a maximum rating (load-carrying capacity) of
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Q. An integrator as shown in Figure is to be designed to solve dy(t) / dt + 2000y (t) = 0 with y(0) = 5. If R i is chosen to be 10 k, find C f .
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