Electrical Transformers and Rotating Machines
4th Edition
ISBN: 9781305494817
Author: Stephen L. Herman
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 2RQ
How many degrees are the current and voltage out of phase with each other in a pure inductive circuit?
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8. An R-L series circuit has a reactive
power of 1234 VARs and an apparent
power of 4329 VA. By how many
degrees are voltage and current out of
phase with each other?
9. An R-L series circuit contains a
resistor and an inductor. The resistor
has a value of 6.5 22. The circuit is
connected to 120 V and has a current
flow of 12 A. What is the inductive
reactance of this circuit?
10. What is the voltage drop across the
resistor in the circuit in Question 9?
11. A phase angle meter connected in an
R-L series circuit indicates that the
current is 28 degrees out of phase with
the voltage. What is the circuit power
factor?
12. An R-L series circuit has a power
factor of 73%. If the apparent power
is 560 kVA, what is the true power in
the circuit?
Q1
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Reduce the combinational logic circuit in figure 1 to minimum form.
Figure 1
B
C
D
how to solve it and how to now if - 120 or +120 i need her solving with explain please quickk
Chapter 3 Solutions
Electrical Transformers and Rotating Machines
Ch. 3 - How many degrees are the current and voltage out...Ch. 3 - How many degrees are the current and voltage out...Ch. 3 - To what is inductive reactance proportional?Ch. 3 - Four inductors, each having an inductance of 0.6...Ch. 3 - Three inductors are connected in parallel....Ch. 3 - Prob. 6RQCh. 3 - An inductor is connected to a 240-V, 1000-Hz line....Ch. 3 - Prob. 8RQCh. 3 - Prob. 9RQCh. 3 - An inductor has an inductive reactance of 250 Ω...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Four inductors, each having an inductance of 0.6 H, are connected in series. What is the total inductance of the circuit?arrow_forwardThree inductors are connected in parallel. Inductor 1 has an inductance of 0.06 H; inductor 2 has an inductance of 0.05 H; and inductor 3 has an inductance of 0.1 H. What is the total inductance of this circuit?arrow_forwardAn inductor is connected to a 240-V, 1000-Hz line. The circuit current is 0.6 A. What is the inductance of the inductor?arrow_forward
- An inductor has an inductive reactance of 250 Ω when connected to a 60-Hz line. What will be the inductive reactance if the inductor is connected to a 400-Hz line?arrow_forwardBasic electronicsarrow_forwardThe arc length voltage characteristic of a DC arc is given by the equation V=24+4L where 'V' is the arc voltage in volts and L' is the length in mm. The static volt-ampere characteristic of the power source is approximated by a straight line with no load voltage of 80V and the short circuit current of 600A. Then the optimum arc length is (mm).arrow_forward
- How did he get the correct answer can you please work it outarrow_forwardWith the given circuit below, if the input voltage is 10 volts peak-to-peak and the diode is germanium, how much is the output voltage in volts on the negative half cycle? (put polarity (+ or -) and values only) V out RL Answer:arrow_forward4arrow_forward
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Ch 2 - 2.2.2 Forced Undamped Oscillation; Author: Benjamin Drew;https://www.youtube.com/watch?v=6Tb7Rx-bCWE;License: Standard youtube license