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A balanced star- connected load of impedance (6+8j) ohms per phase is connected to a 3- phase, 240 v, 50 HZ supply.
Find the line current and power absorbed by each phase.
The voltage ratings are 4800v rms and 240v rms for the primary and secondary windings, respectively. The transformer is rated to 10KVA. Now we want to use this transformer at 120Hz. Discuss the factors that must be considered in setting ratings ap..
Construct the straight line Bode plot of the gain. Is this a low-pass, high-pass, bandpass, or bandstop function Estimate the cutoff frequency and the passband gain. Note that s = jw. This problem uses the letter T for system function.
1. Assume 1800.0 MHZ EM wave propagates in the z- direction with E pointing in the x-direction and E0 = 20.00V/m i Calculate the wavelength ii. Calculate the magnetic flux density
A 10kW, 230V, 50 Hz, three-phase induction motor has full-loadefficiency of 86%, and power factor of 88%. It is supplied by a three-core cable 100mlong, having conductors of cross sectional area 16 mm^2 andresistivity 17.2nΩ m.
What is the function of the enable control input of a tri-state buffer If the output of two or more tri-state buffers is connected to each other, what is the restriction on enable control input lines
design an n-channel silicon JFET with pinch off voltage (-2V). The channel is doped with Arsenic and the gate is doped with Boron. the Boron density is 1019 atoms /cm-3 all atoms are fully ionized. The resistance of the channel at zero gate bias i..
How to Combine the following expressions into a single sinusoid and plot both the combined and original expressions in Matlab across 2 periods. a) 2cos(3t)-cos(3t-pi/4) b) sin(2t- pi/4) + 2cos(2t-pi/3) c) cos(t) - sin(t) d) 10cos((pi*t) + pi/3) + ..
you have the task of ordering a replacement inductor for one that has become defective. The information on the nameplate has been painted over and cannnot be read. The machine that contains the inductor on 480V at a frequency of 60 Hz.
An IC NMOS transistor has W=100μm, L = 10μm,μnCox= 20μA/V2, VA= 100 V, γ = 1/2 V1/2, Vt0= 1V, and 2φf= 0.6V. calculate the value of Vt at VSB= 4V. Also for VGS=3V and VDS=5V, Calculate ID for VSD = 0V and for VSB = 4V
Why is Continuous On-line Monitoring of Partial Discharge in the Switchgear Necessary?
The capacitor in an RC circuit (R=10.0k Ohms and C=25.0uF) is initially uncharged. Determine the charge and current flowing in the circuit at 0.40 time constants (t=0.40 tau) after the circuit is connected to a 9.00 V battery.
Two particles are fixed on an x axis. Particle 1 of charge 60.5 µC is located at x = -18.7 cm; particle 2 of charge Q is located at x = 9.53 cm. Particle 3 of charge magnitude 51.7 µC is released from rest on the y axis at y = 27.4 cm.
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