CPE 221

What electronic symbol is shown in the figure?

• ZENER DIODE

• TUNNEL DIODE

• PHOTODIODE

• LED

What electronic symbol is shown in the figure?

• LED

• TUNNEL DIODE

• PHOTODIODE

• SCHOTTKY DIODE

When was the transistor invented ?

• 1947

• 1974

• 1942

• 1945

It refers to the use of both holes and electrons as current carriers in the transistor structure.

• Bipolar

• Unipolar

• Multipolar

• Tripolar

In a BJT, the smallest current (usually in uA) came from

• emitter

• base

• collector

• gate

Which of the following is a part of Bipolar Junction Transistor(BJT)?

• Drain

• Source

• Gate

• Base

Which of the following is a part of a Field Effect Transistor(FET)?

• Emitter

• Collector

• Base

• Gate

It the ratio of dc collector current to the dc base current.

• dc beta

• dc alpha

• VCC

• Vb

It is the state of a BJT in which the collector current has reached a maximum and is independent of the base current.

• Cut-off

• Saturation

• Active

• Reverse state

Transistors that are generally used for low- or medium-power amplifiers or switching circuit.

• Small-Signal transistor

• Power transistor

• RF transistor

• HF transistor