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A star-connected load consists of three identical coils, each of inductance 159.2 mH and resistance 50 W. If the supply frequency is 50 Hz and the line current is 3 A determine (a) the phase voltage and (b) the line voltage.
Consider three identical metal spheres that are mounted on insulating stands. Sphere X is neutral, sphere Y has a charge -1q, and sphere Z has a charge +4q. X and Y are touched together and then separated.
Design an inverting amplifier using one opamp and two or more resistors. Design it such that it has a gain of -10 (this gain is termed "inverting").Include a schematic of this circuit with the component values labeled .
In a certain communications system a resonant-tuned circuit (tuned at 1200 kHz with Bandwidth = 15 kHz) is connected to the output of a non-linear amplifier (mixer). Find the frequency components at the output of the resonant-tuned circuit
Project on LFC using tuned FOPID. I have considered a two area model. Need help regarding implementation of GA MATLAB code for a two area interconnected power system for LOAD FREQUENCY CONTROL.
Sketch the schematic for a RC low-pass filter with a 3 dB cutoff frequency of 500 Hz, i.e., the output at 500 Hz is 1/2 = 0.707 of the filter output at DC. What RC time constant must the filter have
a) Derive the expression for the transconductance characteristic, gm-vgs, of a JFET. b) Using the expression of the transfer characteristic and the transconductance characteristic, derive formula that expresses the relationship between gm & ip.
A random variable X is normally distributed with unknown mean u and unknown standard deviation sigma. Find u and sigma if it is known that the probability X is less than 10 is 0.6950 and the probability that exceeds 6 is 0.7..
One day, John and Amparo, a senior EE student, were trying to fix Jasmine's old-fashioned (projection) TV, which contained the circuit shown below, apparently with a bad connection. John said that the RLC series branch had an impedance of 1ohm
suppose you are driving a car listening to a FM radio. Fm receiver has an input resistance of 100 ohm. Signal received by your car antenna is 15*10^-6V[rms]. Peak voltage measured at the loudspeaker of the car is 7V.
Determine the RMS generated voltage of an alternator used for a 50 Hz system if it has a flux per pole of 0.015 Wb, 72 turns per phase and a winding constant of 0.96
An unusual capacitor has a capacitance that is a function of time given by C = 2 + cos(2000t) μF in which the arugument of the cosine functionis in radians. A constant voltage of 50V is applied to this capacitor.
The antenna used as the transmitter has a gain of 16.6 dB and the receiving antenna has an effective area of 16.6 m2. We measure the average conductivity of the ground as s = (1.2)10-4 S/m. (a) What is the free-space wavelength at the operating fre..
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