Viva- Exp 3

How many PN junctions are there in a transistor?

• 2

• 1

• 3

• 4

How many depletion layers are there in a transistor?

• 2

• 1

• 3

• 4

----------terminal is lightly doped in the transistor

• Base

• Emitter

• Collector

• Emitter-Collector

In a PNP transistor, the current carriers are ………….

• holes

• electrons

• donor ions

• accepter ions

Moderately doped terminal of a transistor is ………….

• bias

• Collector

• emitter

• junction

The most commonly used semiconductor in the manufacture of a transistor is ………….

• germanium

• silicon

• carbon

• iron

When transistors are used in digital circuits they usually operate in the ………….

• active region

• saturation and cutoff regions

• breakdown region

• Linear Region

Total emitter current is …………

• I_B + I_C

• I_C + I_E

• I_C - I_E

• I_E – I_C

The most commonly used transistor arrangement is …………… arrangement

• common base

• common collector

• common emitter

• common junction

The arrow in the symbol of a transistor indicates the direction of ………….

• Voltage

• Current

• Phase

• Amplitude