Power Amplifiers – 62

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62. The maximum efficiency of a transformer-coupled class A amplifier is ________.

(a) 25%
(b) 50%
(c) 78.5%
(d) 63.6%

Answer

Answer : (b)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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555555555589. A class A amplifier dissipates ________ power when the load is drawing maximum power from the circuit. (a) the least (b) about the same (c) the most (d) None of the above
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555555555515. The theoretical efficiency of a class D amplifier is (a) 75%. (b) 85%. (c) 90%. (d) 100%.
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Power Amplifiers – 1 - 2
Power Amplifiers » Exercise - 1 (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d)
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Power Amplifiers - 61
555555555561. What is the maximum efficiency of a class B circuit? (a) 90% (b) 78.5% (c) 50% (d) 25%
Tags: power, amplifiers, maximum, efficiency, class, electronics, engineering

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