7. A series resistance – inductance (R – L) circuit is connected to a 230 – volt, 50 – cycle source. If the power taken by the circuit is 4,800 watts and the voltage drop across the resistor is 120 volts, calculate: (a) the current, (b) the power factor, (c) the circuit impedance

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter7: Parallel Circuits
Section: Chapter Questions
Problem 4PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....
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7. A series resistance – inductance (R – L) circuit is connected to a 230 – volt, 50 – cycle source. If the power taken by the circuit is 4,800 watts and the voltage drop across the resistor is 120 volts, calculate:

(a) the current, (b) the power factor, (c) the circuit impedance, (d) the ohmic value of the resistor, (e) the inductance of the inductor. (f) write the equations for the voltage and current.

7. A series resistance - inductance (R – L) circuit is connected to a 230 – volt, 50 – cycle
source. If the power taken by the circuit is 4,800 watts and the voltage drop across the
resistor is 120 volts, calculate: (a) the current, (b) the power factor, (c) the circuit
impedance, (d) the ohmic value of the resistor, (e) the inductance of the inductor. (f)
write the equations for the voltage and current.
Transcribed Image Text:7. A series resistance - inductance (R – L) circuit is connected to a 230 – volt, 50 – cycle source. If the power taken by the circuit is 4,800 watts and the voltage drop across the resistor is 120 volts, calculate: (a) the current, (b) the power factor, (c) the circuit impedance, (d) the ohmic value of the resistor, (e) the inductance of the inductor. (f) write the equations for the voltage and current.
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