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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 L12 = L21 = M by following these steps:
(a) Starting at time t0 with i1(t0) = i2(t0) = 0, maintain i2 = 0 and increase i1 until, at time t1, i1(t1) = I1 and i2(t1) = 0. Determine the energy accumulated during this time. Now maintaining i1 = I1, increase i2 until at time t2, i2(t2) = I2. Find the corresponding energy accumulated and the total energy stored at time t2.
(b) Repeat the process in the reverse order, allowing the currents to reach their ?nal values. Compare the expressions obtained for the total energy stored and obtain the desired result.
Q. Figure shows the mod-8 counter which counts from 010 to 710 before resetting. Explain the operation of the counter and sketch the timing diagram.
Q. Find the line current after the addition of capacitor bank? A 60-Hz, three-phase motor draws 25 kVA at 0.707 lagging power factor from a 220-V source. It is desired to impro
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Obtain expressions for the drain source current in an n-channel MOS transistor in terms of terminal voltages and transistor parameters. Indicate reasons why, for deep sub micron t
how started the use of complex variables in circuit analysis for the first time.
We shall demonstrate load-line analysis to find the diode current and voltage, and then compute the total power output of the battery source in the circuit of Figure (a), given the
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what is use of capacitance calculation
Consider a source of voltage v(t) = 10 √2 sin 2t V, with an internal resistance of 1800 Ω. A transformer that can be considered ideal is used to couple a 50- resistive load to th
Scale-space pyramids Write an m-file "scale_space.m" which computes scale space representation of an input image for a given scale "sigma" and displays them. (i) 4 scale
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