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[1] If the speed of a DC machine is doubled and the flux remains constant, the generated e.m.f.
(a) remains the same
(b) is doubled
(c) is halved
(d) None of the above
For a complex load of 30 - 50 j ohm. find the matching circuit consist of ideal capacitor and/or inductor to match the load to 50 ohm impedance at 2GHz. The solution should include circuit schematic and values of each component.
The below circuit has an output 10 times the difference between the 2 input signals. Show how this could be realised using 2 Operational Amplifiers and 5 Resistors, and provide values of the resistors
a.) Plot x[n] as a function of n and use the definition of the z - transform to find x[z]. b.) Use the z - transform of u[n] and properties of the z - transform to find x[z]. Verify that the expressions obtained above for x[z] are identical.
Design by direct implementation the electronic circuits for equations as the following logic equations using any real 1, 2, or 3 input logic gates. Assume all signals are high true (positive logic) and do not simplify the equations.
q1. for the given circuit determine v2 and ilq2 determine the phase relation between vo and ig for the given network if
Assuming a 24 dB link margin is needed to account for fading and loss due to heavy rainfall on the longest link, while 12 dB link margin is sufficient for the shorter link, what transmitter powers are needed at each of the four transmitters
Three single phase 2400v/240v transformers are connected for operation as a 4160/240 v 3phase bank. Each transfomers has a Zeq1=1.42+j1.82 ohms and rated at 150kva
an mos transistor is fabricated on a p-type silicon substrate with na2x1015 cm-3. the oxide thickness is tox450a and
For a certain population of students taking the Miller Analogy test, it is found that the scores are normally distributed with a mean of 50 and a standard deviation of 5. What is the score on this test that is the cutoff value for the top 12 perce..
A 15 hp, 209V,three-phase,six pole, Y-connected induction motor has the following parameter values per phase: R1= 0.128 ohm, R'2=0.0935 ohm Xeq- X1 + X'2 = 0.49 ohm. The motor slip at full load is 3%, and the efficiency id 90%.
A sinusodial current has an amplitude of 5A. It has a scalar frequency of 60 Hz. The signal has a current of 5A when t=0s. Write down the equation for the current as a sine function of time (I.E.- Using the sine function)
The unit step response of a linear time invariant system is s(t) = (1 - e-at)u(t). Where "a" is a positive, real valued constant. What is the impulse response of the system. What is the frequency response of the system.
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