DEE20023 - REVISON TOPIC 3

Which is the schematic symbol for PNP transistor?

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This figure shows the physical structure of ...................

• PNP transistor

• Diode

• Zener Diode

• NPN transistor

Name the terminal X.

• Collector

• Base

• Emitter

• Anode

To operate NPN transistor as an amplifier, terminal emitter-base (E-B) terminal must be .............................

• reverse biased

• forward biased

• short circuit

• open circuit

Based on I-V characteristic curve for NPN transistor shown, what is the region Y?

• Cut-off region

• Active region

• Saturation region

• Switching region

Name the amplifier configuration shown in the figure.

• Common base amplifier

• Common collector amplifier

• Common input amplifier

• Common emitter amplifier

In order a BJT to operate as an amplifier, the collector-base (C-B) terminal must be ........................ biased.

• forward

• reverse

• forward and reverse

• active

The figure shown is a common emitter amplifier with a sinusoidal input. Choose the CORRECT output waveform for the circuit.

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A common collector amplifier is also known as ........................

• emitter follower

• emitter amplifier

• collector follower

• common base