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A coil of 5000 turns is wound on to a nonmagnetic toroid of csa 100 cm2, and mean circumference 0.5 m. A second coil of 1000 turns is wound over the first coil. If a current of 10 A flows through the first coil, determine
(a) the self-inductance of the first coil,
(b) the mutual inductance, assuming a coupling factor of 0.45, and
(c) the average emf induced in the second coil if interruption of the current causes the flux to decay to zero in 0.05 s.
1) Determine the number of possible PCM values that can be encoded for (a) 6 bits and (b) 10 bits. 2)it is desired to represent an analog signal in no less than 500 values. determine the minimum numbber of bits required for each word.
Recall the two presidential speeches that were given by both President Obama and President Reagan, respectively. Note that these two presidents used the Rogerian method of argumentation to not only win over those who agreed with their viewpoints, bu..
The input resistance Ri f is assumed to be small, the output - What is the expression for βg? - If Az = 5 × 106 Ω and Azf = 5 × 104 Ω, what is the required βg and RF?
Given a function G = K/(s + 5)^2 and needing to design a lag network that needs a phase margin of 45 degrees and a steady state error of 5% how do you calculate aplha and tau for the compensator function Gc(s) = (1 + tau*s)/(1 + aplha*tau*s)
Find the transfer function of the filter.- Find the impulse response of the filter. For both parts, make sure your answer results in a causal filter.
A lower leg being exercised. It has a 49-N weight attached to the foot and is extended at an angle with respect to the vertical. Consider a rotational axis at the knee, as indicated. (a) When = 87°, find the magnitude of the torque that the weight..
A 4-element unform linear array with interelement spacing of λ/2 is operated as a broadside array , find the beamwidth betwen nulls and the side lobe level in dB . in the above problem , it is required to re-design the 4 element array so as to loca..
A 440-V three-hase Y-connected synchronous motor has a synchronous reactance of 1.5 ohms per phase. The field current has been adjusted so that the torque angle is 28 degrees when the supplied power to the motor is 90kW.
Consider a coil wound on an iron core. Suppose that for operation with a given 60-Hz ac current, the hysteresis loop of the core material takes the form of a rectangle, as shown in Figure. The core volume is 1000 cm3. Find the power converted to h..
The resistance readings collected after the open and short circuit tests are the resistance reading when the transformer is operating with DC. Supposedly, the resistance collected should be the same as the leakage resistance, distributed with the ..
Instrumentation amplifiers are indeed constructed with either 2 Op Amps or 3 Op Amps. Does that mean that the 3 Op Amp is more common
Assume a CDMA system has only 4 walsh codes. If the mobile is assigned W4 and receives a data stream of 11011010, what is the output?
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