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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 mutualinductance 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 final values. Compare the expressions obtained for the total energy stored and obtain the desired result.
The Thevenin equivalent circuit at the terminals of R2 / S for a 60 hz, 6 pole induction motor is shown below. a) Find the value of the slip for maximum torque and the maximum t
project to write a program to simulate a dc motor on a matlab
Q. Explain the three-line cable Residential wiring? The three-line cable coming out of the secondaries of the distribution transformer on the utility pole passes through the el
Q. Common control switching system? Common Control Switching System: A functional block diagram of a common control switching system is displayed in Figure. Control functions
Selection of Right- Flex : It is also important that the flex we choose is appropriate to the appliance used. Like fuses, the cables and flexes are also rated according to their
If a current is passed through a coil, it creates a flux within the coil. Any attempt to change this flux will create a back emf that acts to oppose the change. Consider again
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What is 16-bit ISA? Compare it with 8-bit ISA bus. The only difference among the 8 and 16-bit ISA bus is that other connector is attached behind the 8-bit connector. This 16-bi
Describe in detail the construction and working of digital type oscilloscope.
: A farmer owns two barns; one north of a creek and the other south of the creek. The farmer has a Cabbage, a Goat, and a Wolf. The Farmer needs to put each item in a barn every ni
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