if a pure resistor is connected in parallel with the original impedance

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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if a pure resistor is connected in parallel with the original impedance
7:13 A
1. An mpedance equal to 4.4/60° ohms is connected across
a 220volt source. What should be the value of the second
impedance in parallel with the first, if the total power
delivered to the circuit is to be 16.5KW and the overall
power factor is to be unity?
2. If a pure resistor is connected in parallel with the original
impedance of problem 1, what should be its ohmic value
if the total power delivered to the circuit is to be 16.5kw?
What will be the overall power
factor of the circuit under
this condition?
√x
o
Ơ
@
O
s
X
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Transcribed Image Text:7:13 A 1. An mpedance equal to 4.4/60° ohms is connected across a 220volt source. What should be the value of the second impedance in parallel with the first, if the total power delivered to the circuit is to be 16.5KW and the overall power factor is to be unity? 2. If a pure resistor is connected in parallel with the original impedance of problem 1, what should be its ohmic value if the total power delivered to the circuit is to be 16.5kw? What will be the overall power factor of the circuit under this condition? √x o Ơ @ O s X Do
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