Power Amplifiers – 74

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74. Which of the power amplifiers has the lowest overall efficiency?

(a) Class A
(b) Class B or AB
(c) Class C
(d) Class D

Answer

Answer : (a)

Explanation

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

Subject Name : Electronics Engineering

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Power Amplifiers - 19
555555555519. ________ amplifiers have the highest overall efficiency. (a) Class A (b) Class B or AB (c) Class C (d) Class D
Tags: class, amplifiers, power, efficiency, ab, electronics, engineering
Power Amplifiers - 77
555555555577. Which of the following is (are) power amplifiers? (a) Class A (b) Class B or AB (c) Class C or D (d) All of the above
Tags: class, power, amplifiers, ab, electronics, engineering
Power Amplifiers - 18
555555555518. Class D operation can achieve power efficiency of over ________. (a) 90% (b) 78.5% (c) 50% (d) 25%
Tags: power, amplifiers, class, efficiency, electronics, engineering
Power Amplifiers - 58
555555555558. Which of the power amplifiers is not intended primarily for large-signal or power amplification? (a) Class A (b) Class B or AB (c) Class C (d) Class D
Tags: class, power, amplifiers, ab, electronics, engineering
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, efficiency, class, electronics, engineering

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