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MCQs on BJT Amplifiers PDF Download eBook 10
MCQ: In AC equivalent circuit, effect of AC base internal resistance is usually small enough to neglect, so it can be replaced by a
- open
- short
- switch
- resistor
B
MCQ: A transistor in its amplifier operation produces a phase inversion between base voltage and
- collector voltage
- emitter voltage
- output voltage
- collector current
A
MCQ: If emitter current is 15mA then internal emitter resistance will equals to
- 1.67 Ω
- 2 Ω
- 3.45 Ω
- 1.34 Ω
A
MCQ: Input resistance of common base amplifier is
- low
- high
- zero
- infinite
A
MCQ: Two-port network which is constructed from series of amplifiers in which each amplifier sends its output to the input of the next amplifier in a daisy chain is called
- cascaded amplifier
- common base amplifier
- common emitter amplifier
- common collector amplifier
A