Transistors and the Common Emitter Amplifier Circuit

What does a transistor do?

• Controls current
• Provides light
• Stores data
• Generates heat

Which type of transistor has current flowing from collector to emitter?

• PNP
• NPN
• MOSFET
• JFET

What is the commonest transistor configuration?

• Common Base
• Common Collector
• Common Emitter
• Common Source

What is the function of C1 and C2 in a common emitter amplifier?

• Provide DC bias
• Set voltage gain
• Coupling capacitors to allow AC to pass to the output

• Amplify signals

What does RL represent in a common emitter amplifier circuit?

• Power supply
• Load
• Resistor
• Capacitor

What is the input signal applied between in a common emitter amplifier?

• Collector and emitter
• Base and emitter
• Base and collector
• Emitter and ground

What type of device is a transistor?

• Passive
• Active
• Static
• Inductive

What is the role of the AC input in a common emitter amplifier?

• Bias the transistor
• Output signal
• Small signal input
• Power supply

What is the purpose of the R1 & R2 resistors?

• To allow voltage to bypass the transistor.

• To lower the DC voltage going to the Base of the transistor.

• To lower the AC voltage going to the Base of the transistor.

• To control the output

What type of Bipolar Transistor is shown here?

• PNP

• ABC

• NPN

• XYZ