Quiz on Transistors: MOSFET vs BJT

What material is predominantly used to make both MOS and BJT transistors?

• Germanium

• Silicon

• Copper

• Gallium Arsenide

What is the main characteristic of a MOSFET gate?

• Low input resistance

• High input resistance

• High output resistance

• Low output resistance

What type of device is a MOSFET?

• Current controlled

• Voltage controlled

• Power controlled

• Frequency controlled

What is the primary control mechanism for a BJT?

• Power

• Current

• Frequency

• Voltage

What is the purpose of using a resistor in the base circuit of a BJT switch?

• To increase power

• To decrease current

• To protect the transistor base from excessive current

• To increase voltage

What happens when the gate resistor of a MOSFET is left unconnected?

• The MOSFET becomes unstable

• The MOSFET remains on

• The MOSFET turns off immediately

• The MOSFET burns out

What is a key difference in the input resistance between MOSFET and BJT?

• MOSFET has lower input resistance

• BJT has higher input resistance

• MOSFET has higher input resistance

• Both have the same input resistance

What is the role of a MOSFET in an analog switch?

• To reduce noise

• To generate signals

• To act as a solid state relay

• To amplify signals

What is the effect of static electricity on a MOSFET?

• It decreases the MOSFET's efficiency

• It increases the MOSFET's efficiency

• It can damage the MOSFET

• It has no effect

What limits the switching speed of a MOSFET?

• Emitter current

• Gate capacitance

• Drain resistance

• Source voltage