Tuned Amplifiers – 1 – 1

1. The Q of a tuned circuit refers to the property of …………..

(a) Fidelity
(b) Sensitivity
(c) Selectivity
(d) None of the above

ANSWER

EXPLANATION

2. A tuned amplifier is generally operated in ……………. operation.

(a) Class A
(b) Class B
(c) Class C
(d) None of the above

ANSWER

EXPLANATION

3. A tuned amplifier is used in …………… applications.

(a) Low frequency
(b) Audio frequency
(c) Radio frequency
(d) None of the above

ANSWER

EXPLANATION

4. A tuned amplifier uses ……………. load.

(a) LC tank
(b) Resistive
(c) Inductive
(d) Capacitive

ANSWER

EXPLANATION

5. If Q of an LC circuit increases, then bandwidth …………….

(a) Increases
(b) Decreases
(c) Remains the same
(d) Insufficient data

ANSWER

EXPLANATION

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