Related Questions

Resonance is a condition in a series RLC circuit in which the capacitive and inductive reactances are equal in magnitude.
A True
B False
The power factor at resonance in R-L-C parallel circuit is
A Zero
B 0.08 lagging
C 0.8 leading
D Unity
In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of
A R only
B L only
C C only
D L or C
A parallel AC. circuit in resonance will
A Have a high voltage developed across each inductive and capacitive section
B Have a high impedance
C Act like a resistor of low value
D Have current in each section equal to the line current
Magnitude of current at resonance in R-L-C circuit
A Depends upon the magnitude of R
B Depends upon the magnitude of L
C Depends upon the magnitude of C
D Depends upon the magnitude of R, Land C
The purpose of a parallel circuit resonance is to magnify
A Current
B Voltage
C Power
D Frequency
In a series RLC circuit, the current is minimum at resonance.
A True
B False
At series resonance, the inductive reactance and capacitive reactance are never equal.
A True
B False
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
At series or parallel resonance, the circuit behaves as a ___________ load
A Capacitive
B Resistive
C Inductive
D None of the above

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