120/30° Vrms | find the wattmeter reading. ΝΩ -ΝΩ ΑΝΩ Μ ΝΩ
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Q: Problem 10. An alternating voltage is given by v = 75 sin(200лt - 0.25) volts. Find (a) the…
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Q: need number 11
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where N=6
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- 12. If an AC voltage has a peak value of 160.5 V, what is the phase angle at which the instantaneous voltage is 110 V? a.[(28.99)] ^0 b. [(43.26)] ^0 c. [(68.45)] ^0 d. [(75.75)] ^0A three phase alternator has 48 slots and 4 pole. Find its distribution factor. A)0.9717 B)0.2298 C)0.9577 D)0.9677Determine the electric power provided by the component if v(t) = 4(1 − e^-2t) and i(t) = (2e^-2t). Also determine the maximum power.
- In the given circuit, the amplitude of the input voltage is 13 volts and its phase is 0 degrees.The values of the circuit elements are given below.What is the maximum average power that can be transferred to the ZL load?R = 3 ohmL = 5j ohmC = -6j ohmIn a given circuit the applied voltage and resulting current are given as follows: v= - 200 cos (377t -45°) volts; i= 10 sin (377t +20°) Amps. Find the phase angle between the voltage and current waves. Which wave lags?The phase angle between the phase voltage and the line voltage of a Y-connected generator isa. 0°b. 30°c. 60°d. 90°
- An alternating voltage is given by v=100 sin (200πt −0.38) volts. Find the correct phase angle (in degrees and minutes) a. 43.57 lagging b. 21.78 lagging c. 1.52 leading d. 21.78 leadingIf the frequency were doubled, what would be the new impedance? R = 121 ohms XL = 41 ohms XC = 38 ohms f = 258 HzWhat is the complex expression for a given alternating current i = 250 sin(wt-25 deg)? a. 227 + j106 b. 160 - j75 c. 227 - j106 d. 160 + j75
- Find the impedance angle Each load on the left is 25.1972+j240.0237 ohms. Voltage source is 230V line.vab=12V Ra=24kohms Rb=30kohms Rc=32kohms determine the current passing on the 2nd resistor (Rb)23. If the impedance of the circuit is 50ohm and the resistance is 8ohm. Find the power factor A. 0.65 B. 0.12 C. 0.87 D. 0.16 24. Find the average value of a sine wave current if the maximum voltage is 415V A. 221.12 B. 254.12 C. 212.02 D. 264.36