he load impedance in the figure absorbs 2.5 kW and generates 5 kVAR The sinusoidal voltage source develops 7.5 kW. Suppose that R= 16.5Ω A)Find the min and max of the two inductive line reactances that will satisfy these constraints. B)For Xminobtained in part A,find the magnitudes of the total reactive power generated and the total reactive power absorbed in the circuit. C)For Xmax obtained in

Oscope CH1 Connection point Function Generator "LOAD" RG R2 R3 1.0027k ohms 66.98 ohms 220.6 ohms 10 Vpk 1kHz 0° L13 103.06 mH 1.015 C2 109.58 nF nF R1 99.712 ohms Oscope CH2 Connection point What is the calculated phase angle between the load voltage and current? Using the calculated phase angle and the RMS voltage/current from the meter to calculate (a) PF, (b) apparent power, (c) average power, (d) reactive power, and (e) complex power Does the amplitude of the output waveform agree with what it should be from the circuit values? Below are the measured voltages and currents.

Parts a and d.

Consider the switching waveforms shown below, operating with a duty-cycle of 30%. Which statements correctly describe the switching circuit, load and circuit operation? (Multiple answers possible, but wrong answers will deduct marks) Voltage across load Voltage (V) 000 120 0000 100 80 60 40 20 30 Time (us) The load must be predominantly resistive. The average current in the load is 1.0A. The RMS current in the load is approximately 1.414A. The load must be predominantly inductive. The resistive part of the load is 200ohms. The average current in the load is 0.6A. O The resistive part of the load is 50ohms. 0 0 10 20 40 50 60 Current (A) 2 5 0.5 0 0 10 Current through load 20 W 30 Time (us) 40 50 60

What does s/c and 115 ohms mean?

What's 21 22 23

QUESTION 11 An inductor is connected in parallel with a 6540 resistor and a function generator. The applied voltage is 42V RMS and the total current is 67mA RMS. Find the magnitude of the current through the inductor. Enter your answer in the space provided. Round your answer to one decimal place. Your answer should be in mA but do not enter the unit.

An alternating current varying sinusoidally with a frequency of 50 Hz has anrms value of 20 A.a) Determine the instantaneous value at 0.0025 seconds.b) Determine the instantaneous value, 0.0125 seconds after passingthrough a positive maximum value.c) At what time, measured from a positive maximum value, will theinstantaneous current be 14.14 A?

%VAI ۲,۷ K/s 9:- Zain 4.5G+ A step down de chopper is connected to an R-52 and L. 10 mH. The de supply voltage is 100 V. The chopper is switching at a frequency of 1 kHz with a duty cycle of 50%. Determine the load current, Jo and the peak to peak ripple current as an absolute value and as percentage of de value. ☐ О Δ

QUESTION 10 Determine the magnitude of the current through the capacitor in the circuit below. VT = 97V RMS, ZT = 102 , R1 = 90, Xc = 60 Enter your answer in amps but do not enter the unit. Round your answer to one decimal place. L1 R1 C1 R2