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Which region of a BJT is lightly doped?

• Emitter
• Base
• Collector
• All regions are equally doped

The saturation region in a BJT is when both junctions are:

• Forward biased
• Reverse biased
• One forward and one reverse biased
• Not biased

Which configuration is known as an emitter-follower?

• Common Base
• Common Collector
• Common Emitter
• None of the above

In a common-collector configuration, the output is taken from:

• Emitter
• Collector
• Base
• Collector and Base

Which transistor configuration provides the highest power gain?

• Common Emitter
• Common Base
• Common Collector
• All configurations provide the same power gain

In the cutoff region, the BJT behaves like a:

• Closed switch
• Open switch
• Amplifier
• Current source

Which of the following is a characteristic of the common-base configuration?

• Low input impedance
• High current gain
• 180° phase shift
• Voltage gain is less than 1

The current gain in a common-emitter configuration is represented by:

• β (bet
• α (alph
• γ (gamm
• None of the above

The ratio of collector current to emitter current is denoted by:

• α (alph
• α (alph
• γ (gamm
• λ (lambd

Which configuration is most suitable for high-frequency applications?

• Common Base
• Common Collector
• Common Emitter
• None of the above