Radio Receivers - Section 1 (7)

Directions to Solve

49.

In a superheterodyne receiver

A.	the IF stage has better selectivity than RF stage
B.	the RF stage has better selectivity than IF stage
C.	the RF stage has same selectivity than IF stage
D.	none of the above

Answer: Option A

Explanation:

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

50.

The noise generated by a resistor depends upon

A.	its resistance value
B.	its operating temperature
C.	both its resistance value and operating temperature
D.	none of the above

Answer: Option B

Explanation:

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