Related Questions

A capacitor and a resistor are connected in series to a sine wave generator. The frequency is set so that the capacitive reactance is equal to the resistance and, thus, an equal amount of voltage appears across each component. If the frequency is increased
A VR > VC
B VC > VR
C VR = VC
D VR and VC = 0
At series resonance, the inductive reactance and capacitive reactance are never equal.
A True
B False
A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current
A Is increased
B Is decreased
C Does not change
D Momentarily goes to zero
The total inductive reactance of a parallel inductor circuit is:
A equal to the sum of the individual inductive-reactance values
B equal to the sum of the individual inductance values
C equal to the source voltage divided by total current
D less than the inductance value of the smallest inductor
E None of the above
When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle
A Increases
B Decreases
C Is not affected
D Cannot be determined
A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current
A Increases
B Remains constant
C Decreases
D Ceases
In an RL circuit, the impedance is determined by both the resistance and the inductive reactance combined.
A True
B False
In a series RLC circuit, the larger reactance determines the net reactance of the circuit.
A True
B False
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

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