Which power amplifier can deliver maximum load power? Class A Class AB Class B C

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Question
Which power amplifier can deliver maximum load power?
Options
A. Class A
B. Class AB
C. Class B
D. Class C

Correct Answer

Class C

Explanation

Since efficiency of class C operation is high, maximum load power is delivered.

Analog Electronics problems

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1. In 3 phase power measurement by two wattmeter method, the reading of one wattmeter is zero. The power factor of load is
Options
A. 1
B. 0.5
C. 0
D. 0.8

3. Which of the following is true about an impulse voltage?
Options
A. It is a unidirectional voltage
B. Chopped impulse flashover does not occur
C. Time taken to rise is equal to time taken to fall
D. RMS value is always less than 50% of average value

5. A moving iron instrument gives correct reading when used at
Options
A. low frequencies
B. high frequencies
C. only one frequency
D. all frequencies upto a certain value

6. A half wave diode circuit using ideal diode has an input voltage 20 sin ?t volts. Then average and rms values of output voltage are
Options
A. and 10 V
B. and 10 V
C. and 5 V
D. and 5 V

7. In figure v₁ = 8 V and v₂ = 8 V. Which diode will conduct?
Options
A. D₁ only
B. D₂ only
C. Both D₁ and D₂
D. Neither D₁ nor D₂

9. Which of the following oscillators is suitable for frequencies in the range of mega hertz?
Options
A. RC phase shift
B. Wien bridge
C. Hartley
D. Both (a) and (c)

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