At series resonance, the circuit offers____________ impedance?
(A) Zero
(B) Maximum
(C) Minimum
(D) None of the above
A tuned amplifier is generally operated in ____________operation?
(A) Class A
(B) Class C
(C) Class B
(D) None of the above
At series resonance, the net reactive component of circuit current is _______________?
(A) Zero
(B) Inductive
(C) Capacitive
(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
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______________?
(A) 90o
(B) 180o
(C) 0o
(D) None of the above
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 _________________?
(A) 2pfr x R
(B) R / 2pfrL
(C) 2pfrL / R
(D) R2/2pfrL
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 ____________?
(A) Remains the same
(B) Increases
(C) Decreases
(D) Insufficient data