Power Amplifiers – 52

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52. In ________ power amplifiers, the output signal varies for a full 360º of the cycle.

(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.

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Power Amplifiers - 51
555555555551. In class B power amplifiers, the output signal varies for ________ of the cycle. (a) 360º (b) 180º (c) between 180º and 360º (d) less than 180º
Tags: power, amplifiers, class, output, signal, varies, cycle, 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 - 76
555555555576. By how much does the output signal vary for a class AB power amplifier? (a) 360º (b) 180º (c) Between 180º and 360º (d) Less than 180º
Tags: power, amplifiers, output, signal, class, ab, electronics, engineering
Power Amplifiers - 66
555555555566. How many transistors must be used in a class B power amplifier to obtain the output for the full cycle of the signal? (a) 0 (b) 1 (c) 2 (d) 3
Tags: power, amplifiers, class, output, full, cycle, signal, electronics, engineering
Power Amplifiers - 62
555555555562. The maximum efficiency of a transformer-coupled class A amplifier is ________. (a) 25% (b) 50% (c) 78.5% (d) 63.6%
Tags: power, amplifiers, class, electronics, engineering

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