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AM and FM Receivers – 1 – 2

6. Three point tracking is achieved with which of the following ?

(a) Double conversion
(b) Double Spotting
(c) Variable selectivity
(d) The podder capacitor

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

7. …. Modulator is an indirect way of generating FM.

(a) Reactance FET
(b) Varactor FET
(c) Armstrong
(d) Reactance bipolar transistor

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

8. If the output power of radio receiver is doubled, the volume is increased by…….

(a) – 3 dB
(b) 1 dB
(c) 2 dB
(d) 3 dB

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

9. The most common device used for detection in radio receives is a/an :

(a) Transistor
(b) Diode
(c) Amplifiers
(d) Triode

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

10. Receiver having poor if selectivity will have poor :

(a) Sensitivity
(b) Blocking
(c) Diverse reception
(d) All of the above

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

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