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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.
Explain the hysteresis loop of a magnetic material. Hystereses loop-Below the Curie temperature all-ferromagnetic materials show the identified hysteresis in the B (i.e. flux
The inputs to an SRFF are shown in Figure. Determine the value of Q at times t 1 , t 2 , and t 3 .
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Task 1 Use basic circuit theory to convert the "T" circuit below into the equivalent "π". Hint: Remember to disconnect the voltage source and the load. Task 2
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