Electrical Engineering Mcqs

If L/C ratio of a parallel LC circuit is increased, the Q of the circuit______________?

(A) Is decreased
(B) Is increased
(C) Remains the same
(D) None of the above

Submitted By :Ali Uppal

The Q of a tuned amplifier is generally _________________?

(A) Less than 5
(B) Less than 10
(C) More than 10
(D) None of the above

Submitted By :Ali Uppal

For frequencies below resonant frequency, a series LC circuit behaves as a _____________ load?

(A) Resistive
(B) Capacitive
(C) Inductive
(D) None of the above

Submitted By :Ali Uppal

Tuned class C amplifiers are used for RF signals of________________?

(A) Low power
(B) High power
(C) Very high power
(D) None of the above

Submitted By :Ali Uppal

Double tuned circuits are used in ____________ stages of a radio receiver?

(A) IF
(B) Audio
(C) Output
(D) None of the above

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

In parallel resonance, there is _______________?

(A) Both voltage and current amplification
(B) Voltage amplifications
(C) Current amplification
(D) None of the above

Submitted By :Ali Uppal

If a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling?

(A) Loose
(B) Tight
(C) Critical
(D) None of the above

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

In series resonance, there is__________________?

(A) Voltage amplification
(B) Current amplification
(C) Both voltage and current amplification
(D) None of the above

Submitted By :Ali Uppal

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