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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.
What are the different kinds of surface entities used in CAD? Give homogeneous Matrix form equation for : (i) B-Splive Curve (ii) Bezier Curve
Q. Error specifications on a 10-A digital ammeter are given as 0.07% of the reading, 0.05% of full scale, 0.005% of the reading per degree Celsius, and 0.002% of full scale per deg
Q. Illustrate BCD-to-decimal decoding with a 4-to- 16 decoder, and draw the corresponding truth table.
Q. Illustrate Differential phase-shift keying? In order to eliminate the need of a local carrier, DPSK has been developed in which the receiver uses the received signal to act
How do you be in Harward
Magnetic flux and flux density Magnetic flux is the amount of the magnetic field (or the number of lines of force) formed by a magnetic source. The symbol represented magnetic
Q. What are the benefits of ccs over in-channel signalling? The benefits of CCS over in-channel signalling are listed below: a. Information can be exchange between processor
D flipflop
Write an m-file "myfourier.m" which takes two images, computes FFT, phase and amplitude and swaps the amplitudes between two images. function myfourier im1=imread('cameraman.pn
What is hall effect?
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