Related Questions

In a parallel RLC circuit, the smaller reactance determines the net reactance of the circuit.
A True
B False
At series resonance, the inductive reactance and capacitive reactance are never equal.
A True
B False
An inductor and a resistor are in series with a sine wave voltage source. The frequency is set so that the inductive reactance is equal to the resistance. If the frequency is increased, then
A VR = VL
B VL
C VL = VR
D VL > VR
In a series RLC circuit, the larger reactance determines the net reactance of the circuit.
A True
B False
In an RL circuit, the impedance is determined by both the resistance and the inductive reactance combined.
A True
B False
The total capacitive reactance of a parallel capacitor circuit is:
A equal to the sum of the individual capacitive-reactance values
B equal to the sum of the individual capacitance values
C equal to the source voltage divided by total current
D less than the capacitance value of the smallest capacitor
E None of the above
Inductive reactance is measured in units of:
A volts per second
B amperes per second
C Ohm
D henrys
E None of the above
Which one of the following statements most accurately describes the nature of inductive reactance?
A Inductive reactance is an opposition to current flow in dc circuits
B Inductive reactance is an opposition to current flow in ac circuits
C Inductive reactance is another term for counter emf
D Inductive reactance is a force that tends to overcome the effects of counter emf
E None of the above
A capacitor-start single phase induction motor is switched on to supply with its capa-citor replaced by an inductor of equivalent reactance value. It will
A start and then stop
B start and run slowly
C start and run at rated speed
D not start at all
An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is
A Good
B Open
C Shorted
D Partly shorted

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