For V = 14 volts, determine the effective or RMS value of the voltage waveform i
ID: 1926859 • Letter: F
Question
For V = 14 volts, determine the effective or RMS value of the voltage waveform in volts.
If a load has a voltage of 220?120 and the current flowing through it is 10?110 , what is the power factor at the load?
Given the average power absorbed by a load is 5000 W, the measured voltage is 120 V rms and the current measured is 58 A rms, what is the power factor at the load?
A load has a power factor pf = 0.85, and the impedance of the load is (R + jX) ohms. If R is 1.0 ohms, what is the reactive component X (assume an inductive load, so that X is positive)?
Assuming an ideal transformer, if the current I1 = 3 A, what is the voltage V2 in volts?
For the same circuit and an ideal transformer, if the source voltage Vm=12 V,what is the amplitude of the current I2 in amps?
Answer For V = 14 volts, determine the effective or RMS value of the voltage waveform in volts. Question 2 (2 points) If a load has a voltage of 220?120½ and the current flowing through it is 10?110 ½, what is the power factor at the load? Your Answer: Answer Question 3 (2 points) Given the average power absorbed by a load is 5000 W, the measured voltage is 120 V rms and the current measured is 58 A rms, what is the power factor at the load? Your Answer: Answer Question 4 (2 points) A load has a power factor pf = 0.85, and the impedance of the load is (R + jX) ohms. If R is 1.0 ohms, what is the reactive component X (assume an inductive load, so that X is positive)? Your Answer: Answer Question 5 (2 points) Assuming an ideal transformer, if the current I1 = 3 A, what is the voltage V2 in volts? Your Answer: Answer Question 6 (2 points) For the same circuit and an ideal transformer, if the source voltage Vm=12 V,what is the amplitude of the current I2 in amps?Explanation / Answer
1. 14 volt 2.cos(10)=0.98 3. 0.718 4. 0.619 ohm 5. 6 volt 6. 2 Amp
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