Related Questions

At parallel resonance, the phase angle between the applied voltage and circuit current is ___________
A 90°
B 180°
C 0°
D None of the above
In a Y-connected circuit, between each line voltage and the nearest phase voltage, there is a phase angle of
A 0°
B 30°
C 60°
D 120°
At series resonance, the phase angle between applied voltage and circuit is ___________
A 90°
B 180°
C 0°
D None of the above
When a voltage of one volt is applied, a circuit allows one micro ampere current to flow through it. The conductance of the circuit is
A 1 n-mho
B 106 mho
C 1 milli-mho
D None of the above
If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because
A varying voltage produces the charging and dicharging currents
B of high peak value
C charging current can flow
D discharge current can flow
The product of apparent power and cosine of the phase angle between circuit voltage and current is
A True power
B Reactive power
C Volt-amperes
D Instantaneous power
When the frequency of the voltage applied to a series RL circuit is increased, the phase angle
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 increased, the phase angle
A Increases
B Decreases
C Remains the same
D Becomes erratic
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
Total current in an RL circuit always lags the source voltage.
A True
B False

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