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(a) Find the Fourier series for the square wave shown in Figure(a).
(b) Let a voltage source having the waveform of part (a) with a peak value of 100 V and a frequency of 10 Hz be applied to an RC series network with R = 20 and C = 0.1F. Determine the first five nonzero terms of the Fourier series of vC(t).
Q. Explain the working principle of a d.c. generator. Explain clearly the function of commutator in d.c. machines. Sol. Working principle of a D.C. generator: For the 2- po
Condition Return Similar to conditional jump and call instructions there are conditional return instructions also based on various flags.
Q. Explain the high-frequency response of FET amplifier? The analysis for the high frequency response of the FET amplifier is almost the same as that of the BJT amplifier. The
A common-collector (CC) amplifier is also known as an emitter follower (or a voltage follower) due to the fact that the output voltage "follows" the input by being approximately eq
Q. What are the Constructional Features of DC Machines? Adc generator ormotormay have asmany as four fieldwindings, depending on the type and size of the machine and the kind o
Q. Consider a pair of coupled coils as shown in Figure of the text, with currents, voltages, and polarity dots as indicated. Show that the mutual inductance is L 12 = L 21 = M by
singly excited magnetic systems
Let ω = 2π × 60 rad/s corresponding to a frequency of 60 Hz. (a) Consider v(t) = 100 √2 cos(ωt + 30°) V and i(t) = 10 √2 sin(ωt + 30°) A. Find the corresponding phasors ¯V and ¯
Q. What are the various tones used in stronger telephony? When called party line is obtained, exchange control equipment transmits out the ringing current to telephone set of t
A step-down transformer has primary turns Np = 100; secondary turns Ns = 10; primary winding resistanceRp = 100 ?; secondary winding resistance Rs = 2 ?. Assume that there is no l
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