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Q. For given asymptotic Bode plots.
(a) Find ¯H1, ¯H2, and ¯H3 at ω = 5 rad/s.
(b) At what angular frequency ω is the magnitude of ¯H4(jω) one-half of the magnitude of ¯H4(j5)?
(c) Determine the angular frequency at which H6(ω) is 0 dB and the angular frequency at which θ6(ω) = -180°.
(d) Let H5(s) = V2/V1. For v1(t) = 0.1 cos 20t, find the steady-state value of v2(t).
Q. An n-channel JFET having V P = 3.5 V and I DSS = 5 mA is biased by the circuit of Figure with V DD = 28 V, RS = 3000 , and R 2 = 100 k. If the operating point is given by
Mode 1 In this mode transistor Q gets turned on by the positive output of the PWM. After that current flows through inductor L transistor Q then back to supply in thi
what is power system Analysis
Q. A current of 65 A is measured with an analog ammeter having a probable error of ± 0.5% of full scale of 100 A. Find the maximum probable percentage error in the measurement.
Q. A 10-turn square coil of side 200 mm is mounted on a cylinder 200 mm in diameter. If the cylinder rotates at 1800 r/min in a uniform 1.2-T field, determine the maximum value of
Q. In the non inverting summing amplifier of Figure, let R d = 1k and M = 6. Find R f so that v =
Magnetic circuits To see how this is used in practice, consider a coil of N turns wound onto a closed ring shaped former with a very high (note: r (steel) = 200
components and uses.
Parallel rlc circiut with a variable cap connected in series with a resistor
Draw the hysteresis loop for a soft magnetic material and compare it with the hysteresis loop of hard magnetic material. Give two examples of each. Soft and hard magnetic mate
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