A 220 volt source delivers 5 amperes to a series circuit composed of 20 ohm resistor, 100mh inductor and 250 microfarad capacitor, what is the source fequency? Choices: 60, 72.5, 75.75, 67.3   2. The phase shift between the voltage and the current vectors is due to the following load except one.  Choices: magnetic coils, power capacitor, flourescent lamp, flat iron   3.The power factor of the circuit is zero when the load of the circuit is pure _______.  choices: Reactance, Capacitance, Resistance, admittance

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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1. A 220 volt source delivers 5 amperes to a series circuit composed of 20 ohm resistor, 100mh inductor and 250 microfarad capacitor, what is the source fequency?

Choices: 60, 72.5, 75.75, 67.3

 

2. The phase shift between the voltage and the current vectors is due to the following load except one. 

Choices: magnetic coils, power capacitor, flourescent lamp, flat iron

 

3.The power factor of the circuit is zero when the load of the circuit is pure _______. 

choices: Reactance, Capacitance, Resistance, admittance 

 

 

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