Electronics and Communication Engineering - Analog Electronics - Discussion

Discussion Forum : Analog Electronics - Section 4 (Q.No. 50)
50.
A class A transformer coupled power amplifier is to deliver 10 W output. The power rating of transistor should not be less than
5 W
10 W
20 W
40 W
Answer: Option
Explanation:

Efficiency is 50%. Therefore input is 20 W.

Discussion:
1 comments Page 1 of 1.

Ammar said:   6 years ago
Maximum efficiency is 50% for Class A transformer coupled.

So, the Answer is 20 W.

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