Power Amplifiers – 5

5. Power amplifiers generally use transformer coupling because transformer permits:

(a) Cooling of the circuit
(b) Distortionless output
(c) Impedance matching
(d) Good frequency response

Answer

Answer : (c)

Explanation

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

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Power Amplifiers – 2
Power Amplifiers » Exercise - 12. ………………. coupling is generally employed in power amplifiers. (a) RC (b) direct (c) Impedance (d) Transformer
Tags: power, amplifiers, exercise, coupling, generally, impedance, transformer, electronics, engineering
Power Amplifiers – 6
Power Amplifiers » Exercise - 16. Transformer coupling can be used in …………… amplifiers. (a) Only power (b) Only voltage (c) Either power or voltage (d) None of the above
Tags: power, amplifiers, exercise, transformer, coupling, electronics, engineering
Power Amplifiers – 7
Power Amplifiers » Exercise - 17. The output transformer used in a power amplifier is a ……………. transformer. (a) 1:1 ratio (b) Step-up (c) Step-down (d) None of the above
Tags: power, amplifiers, transformer, exercise, output, electronics, engineering
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)
Tags: power, amplifiers, exercise, electronics, engineering
Power Amplifiers - 24
5555555555 24. Which operation class is generally used in radio or communications? (a) A (b) B (c) AB (d) C
Tags: power, amplifiers, generally, electronics, engineering

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