A. XL decreases and XC increases
B. XL increases and XC decreases
C. Line current becomes minimum
D. None of the above
Related Mcqs:
- 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 - For frequencies below the resonant frequency , a parallel LC circuit behaves as a ______________load?
A. Inductive
B. Resistive
C. Capacitive
D. None of the above - For frequencies above the resonant frequency, a parallel LC circuit behaves as a ____________ load?
A. Capacitive
B. Resistive
C. Inductive
D. None of the above - For frequencies below resonant frequency, a series LC circuit behaves as a _____________ load?
A. Resistive
B. Capacitive
C. Inductive
D. None of the above - When either L or C is increased, the resonant frequency of LC circuit ____________?
A. Remains the same
B. Increases
C. Decreases
D. Insufficient data - For frequencies above the resonant frequency , a series LC circuit behaves as a ____________load?
A. Resistive
B. Inductive
C. Capacitive
D. None of the above - The voltage gain of a tuned amplifier is____________at resonant frequency
A. Minimum
B. Maximum
C. Half-way between maximum and minimum
D. Zero - The Q of a tuned amplifier is 50. If the resonant frequency for the amplifier is 1000kHZ, then bandwidth is __________________?
A. 10kHz
B. 40 kHz
C. 30 kHz
D. 20 kHz - A resonant circuit contains ____________elements?
A. R and L only
B. R and C only
C. Only R
D. L and C - In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________________?
A. Remains the same
B. Is lowered
C. Is raised
D. None of the above
