At series or parallel resonance, the circuit behaves as a ______________ load?
A. Capacitive
B. Resistive
C. Inductive
D. None of the above
Month: December 2018
If the resistance of a tuned circuit is increased, the Q of the circuit _______________?
If the resistance of a tuned circuit is increased, the Q of the circuit _______________?
A. Is increased
B. Is decreased
C. Remains the same
D. None of the above
At series resonance, the phase angle between applied voltage and circuit is______________?
At series resonance, the phase angle between applied voltage and circuit is______________?
A. 90o
B. 180o
C. 0o
D. None of the above
The dimensions of L/CR are that of _______________?
The dimensions of L/CR are that of _______________?
A. Farad
B. Henry
C. Ohm
D. None of the above
The Q of an LC circuit is given by _________________?
The Q of an LC circuit is given by _________________?
A. 2pfr x R
B. R / 2pfrL
C. 2pfrL / R
D. R2/2pfrL
In parallel resonance, the circuit impedance is_________________?
In parallel resonance, the circuit impedance is_________________?
A. C/LR
B. R/LC
C. CR/L
D. L/CR
When either L or C is increased, the resonant frequency of LC circuit ____________?
When either L or C is increased, the resonant frequency of LC circuit ____________?
A. Remains the same
B. Increases
C. Decreases
D. Insufficient data
If Q of an LC circuit increases, then bandwidth ______________?
If Q of an LC circuit increases, then bandwidth ______________?
A. Increases
B. Decreases
C. Remains the same
D. Insufficient data
In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then _______________?
In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then _______________?
A. XL increases and XC decreases
B. XL decreases and XC increases
C. Both XL and XC increase
D. Both XL and XC decrease
At parallel resonance, the net reactive component circuit current is _______________?
At parallel resonance, the net reactive component circuit current is _______________?
A. Capacitive
B. Zero
C. Inductive
D. None of the above