Question is ⇒ The O/P Power of a power amplifier is several times its input power. It is possible because, Options are ⇒ (A) power amplifier introduces a -ve resistance, (B) there is +ve feed back in the circuit, (C) step up transformer is use in the circuit, (D) power amplifier converts a part of I/P d.c. power into a.c. power, (E) , Leave your comments or Download question paper.

Question is ⇒ The O/P Power of a power amplifier is several times its input power. It is possible because, Options are ⇒ (A) power amplifier introduces a -ve resistance, (B) there is +ve feed back in the circuit, (C) step up transformer is use in the circuit, (D) power amplifier converts a part of I/P d.c. power into a.c. power, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The O/P Power of a power amplifier is several times its input power. It is possible because
A.	power amplifier introduces a -ve resistance [Wrong Answer]
B.	there is +ve feed back in the circuit [Wrong Answer]
C.	step up transformer is use in the circuit [Wrong Answer]
D.	power amplifier converts a part of I/P d.c. power into a.c. power [Correct Answer]
View Answer 2 -2 Explanation:- Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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