A CE amplifier has a load power of 10 mW and the dc power is 215 mW. The efficiency is
A)46.5%.
B)0%.
C)4.65%.
D)25%.

Name: A CE amplifier has a load power of 10 mW and the dc power is 215 mW. The efficiency is A)46.5%. B)0%. C)4.65%. D)25%.
Brand: Quizplus
Rating: 4.7 (32 reviews)

Question

Quizplus · Accepted Answer

The efficiency of an amplifier is calculated as the ratio of the output power (in this case, the load power) to the input power (here, the dc power) multiplied by 100 to get a percentage. So, efficiency = (10 mW / 215 mW) * 100 = 4.65%.

A CE Amplifier Has a Load Power of 10 MW