BY : O M V R

Which junction in an n-p-n BJT controls the flow of current between the emitter and the collector?

• Emitter-base junction

• Neither junction alone

• Base-collector junction

• Both junctions equally

In a p-n-p BJT, which type of charge carrier is injected from the emitter into the base?

• Holes

• Electrons

• Both equally

• None

What is amplification?

• Process of increasing voltage

• Process of decreasing voltage

• Process of converting voltage to current

• Process of converting current to voltage

How is voltage gain defined?

• Ratio of input voltage to output voltage

• Ratio of output voltage to input voltage

• Product of input and output voltage

• Difference between input and output voltage

Name two factors that determine the voltage gain of an amplifier.

• Resistance and capacitance

• Inductance and impedance

• Transconductance and transresistance

• Resistance and transconductance

What is the voltage gain of a transistor amplifier that has an output of 5 V rms and an input of 250 mV rms?

• 25

• 15

• 20

• 10

The BJT is constructed with how many doped semiconductor regions?

• Five

• Four

• Three

• Two

What type of semiconductor forms the emitter region in an n-p-n BJT?

• Doped silicon

• Intrinsic

• P-type

• N-type

What are the three terminals of a BJT?

• Anode, Cathode, Gate

• Emitter, Base, Collector

• Input, Output, Ground

• Source, Gate, Drain

What is the dc current gain of a transistor called?

• DC alpha

• DC beta

• DC gamma

• DC delta