Transistor as Amplifiers & Switch

In an NPN transistor the P is the

• Collector

• Base

• Emitter

• None of the above

A transistor is used in

• both current amplifiers and voltage amplifiers

• current amplifiers

• voltage amplifiers

In a transistor, the arrow always points in the direction of

• conventional current flows

• electrons flows

• voltage flows

The transistor current calculates as

• Ie = Ic - Ib

• Ie = Ib + Ic

• Ib = Ie + Ic

A transistor consists of how many diodes?

• 1

• 2

• 3

• 4

When a transistor is cut-off, it is operating as

• a regulator

• open switch

• closed switch

• linear/amplifier

The base of the transistor is

• lightly doped

• heavily doped

• moderately doped

• none of the above

Which one of the following amplifier circuits provides a phase inversion between the input and output signal?

• Common Base

• Common source

• Common collector

• Common emitter

Which configuration is the least popular among the 3 fundamental configuration?

• Common Base

• Common Emitter

• Common Collector

• None of the above

Identify this transistor switch

• Saturation/Closed

• Cut-off

• Open

• None of the above