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A load draws 5 kVAR at a power factor of 0.86 (leading) from a 220-V rms source. Calculate the peak current and the apparent power supplied to the load.
Evaluate the problems in the appropriate number base's showing your full workings -
A shunt-connected motor delivers an output power of 24 h p at 1200 rpm while operating from a source voltage of 440V and drawing IL = 50A. The resistances are RA = 0.05 Ω and RF +Radj = 100 Ω. Find the developed torque and efficiency of the motor.
A load Z draws 12 kVA at a power factor of 0.856 lagging from a 120-V rms sinusoidal source. Calculate (a) the average and reactive powers delivered to the load, (b) the peak current, and (c) the load impedance.
If the fundamental frequency of a square wave is 10 kHz, what are the first three frequency components contained in the square wave
The distribution line connecting the source to the load has negligible impedance. Load 1 is purely resistive and absorbs 60 kW. Find the per-phase impedance of load 2 if the line voltage is 415.69V(rms) and the impedance components are in series.
A pn junction with Nd=4x10^16 cm^-3 and Na=3 x 10^15 cm^3 experiences a reverse bias voltage of 1.6V (a) Determine the width of the depletion region and the junction capacitance per unit area
What is the circuit configuration of op amp 2 , trnsfer function, of E'/Ei, transfer fucntion of whole circuit, and is this a PI, PID, or PD circuit
The circuit shown in Figure P4.24 has been set up for a long time prior to t = 0 with the switch closed. Find the value of vC prior to t = 0. Find the steady-state value of vC after the switch has been opened for a long time.
The average number of vacation days per year offered by different US companies is skewed to the right. A random sample of 60 companies showed the mean number of vacation days was 22, and the standard deviation was 9 days.
Determine the coefficients p, q, and the determinant (delta) of the system: y1'=y1 + 10y2 Y'2=7y1 - 8y2 Based on these values, what is the type and stability of the critical point
A piston-cylinder arrangement whose piston is resting on a set of stops contains 0.5 kg of helium gas at 100 kpa and 25oC. the mass of the piston is such that a pressure of 500 kPa will just life it off the stops.
What change can be made for an ADC804 (analog-to-digital converter) operates with positive (-) and negative (-) input voltages Which is the representation for a positive voltage and which for a negative one
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