Related Questions

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
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
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
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
The period of a sine wave is ___________ seconds. Its frequency is
A 20 Hz
B 30 Hz
C 40 Hz
D 50 Hz
When the frequency of the voltage applied to a series RL circuit is decreased, the impedance decreases
A True
B False
When the frequency of the voltage applied to a series RL circuit is decreased, the impedance
A Decreases
B Increases
C Does not change
D Cannot be determined without values
When the frequency of the voltage applied to a series RC circuit is decreased, the impedance
A Increases
B Decreases
C Remains the same
D Doubles
For given applied voltage, with the increase in frequency of the applied voltage
A eddy current loss will decrease
B eddy current loss will increase
C eddy current loss will remain unchanged
D none of the above
In an RL integrating circuit, the output voltage is taken across the inductor.
A True
B False

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