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91. A tuned amplifier is used in ___________ applications

Radio frequency

Low frequency

Audio frequency

None of the above

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92. ICEO = () ICBO

1 + a

1 + Ã

none of the above

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93. If biasing is not done in an amplifier circuit, it results in ___________

Decrease in the base current

Unfaithful amplification

Excessive collector bias

None of the above

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biasing is not done in an amplifier circuit, it results in ___________

94. The most commonly used semiconductor in the manufacture of a transistor is ___________

germanium

silicon

carbon

none of the above

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