Some features of RF stage in good radio receivers is It increases sens – McqOptions

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1.	Some features of RF stage in good radio receivers is It increases sensitivity by providing amplification to RF signalIt eliminates image frequency interferenceIt increases selectivityIt reduces noise level Which of the above are true?
A.	1, 2 and 3 only
B.	1, 2 and 4 only
C.	2, 3, 4 only
D.	1, 2, 3, 4
Answer» E.

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