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An eight-pole 60-Hz ac induction motor produces an output power of 2 h p and has rotational losses of 100 W at a speed of 850 rpm. Determine the slip, the frequency of the stator currents, the frequency of the rotor currents, and the rotor copper loss.
a) Find the value of the voltage source "E"that is required to provide a 10V across the 10kΩ resistor. What are the values of [V10k/E] and [V3.3k/V10k] b) Dtermine the amount of power supplied by the voltage source when E= 20V.
The total charge that has accumulated on the positive plate of a capacitor varies with time. The charge follows q=At^2 for the first 4s. a) Find the value of current at t=2,6,9,12,16 s. b) Sketch the current i(t) as a function of time
Design and test a 4-bit ripple carry adder, i. e., an array of 4 full adders, that adds any 4-bit binary number A3A2A1A0 to the 8-4-2-1 BCD code of the third and fourth non-zero and different digits of your Red ID number.
A sin wave that is 1/2 wave rectified, has the following properties: Vmax=13 Period=7mS The voltage of the wave falls across a resistor of Rload=81Omega Ω . Calculate the average power dissipated by the load resistor in Watts.
Consider a gsm uplink.the ms has 100 mw transmit power and the sensitivity of the bs receiver is -105 dbm.the distance between the bs and ma is 500 m.the propagation law follows the free space law up to a distance of dbreak=50m
Are the systems stable For functions above, determine the steady state response for a step input. Determine the natural frequency , and the damping ratio and sketch the step response.
For a transformer with a line voltage of 34.5 KV on the primary and a line voltafe of 480V. Calculate Vphase primary and secondary,P,Q, and S for each of the following transformer connections and loads.
A 0.100 mA electron beam with kinetic energy 54 eV enters a sharply defined region of lower potential where thekinetic energy of the electron is increased by 10 eV. What current is reflected at the boundary
b)If the calculator produces three digit random numbers that are uniformly distributed between 0.000 and 0.999, find the variance of the sample mean. c) How large should the sample size be in order to obtain a sample mean whose standard deviation i..
The time t required to test a computer memory unit is directly proportional to the square of the number n of memory cells in the unit. For particular type of unit, n= 6400 for t= 25.0s. Find the instantaneous rate of change t with respect to n for..
Consider a VLSI chip with 100,000 gates and 2000 flip flops. A combinational ATPG program produces 500 vectors to fully test the logic. Find the minimum number of scan test cycles if 20 scan chains are implemented.
Consider this follower to be driven by the output of a differential amplifier of gain 100 whose positive-input terminal is connected to the input signal source vs and whose negative-input terminal is connected to the emitters of the follower.
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