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?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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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?
Transcribed Image Text: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?
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