Power Amplifiers – 66

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66. 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

Answer

Answer : (c)

Explanation

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

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Power Amplifiers - 52
555555555552. 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
Tags: class, power, amplifiers, output, signal, full, cycle, 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, amplifier, electronics, engineering
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, cycle, electronics, engineering
Power Amplifiers - 44
555555555544. A class A amplifier has a voltage gain of 30 and a current gain of 25. What is the power gain? (a) 30 (b) 25 (c) 1.2 (d) 750
Tags: power, amplifiers, class, amplifier, electronics, engineering
Power Amplifiers - 43
555555555543. Which amplifier is commonly used as a frequency multiplier? (a) class A (b) class B (c) class C (d) all of the above
Tags: class, power, amplifiers, amplifier, electronics, engineering

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