# Amplifiers

### Explanation of question 13

A carefully designed class C amplifier is taking an input current of 1A at 24V. The expected output would be

1. 24W
2. 16W
3. 10W
4. 5W

The answer is :- 2 Input power = 24 x 1 = 24W. An output power of 16W will give an efficiency of approximately 67%.

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