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Canadian Advanced Exam Question Bank

effective 4/01/2007

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A-002-03: Transistors - NPN/PNP

A-002-03-01: What is the alpha of a bipolar transistor?

The change of collector current with respect to emitter current

The change of collector current with respect to base current

The change of base current with respect to collector current

The change of collector current with respect to gate current



A-002-03-02: What is the beta of a bipolar transistor?

The change of collector current with respect to base current

The change of base current with respect to emitter current

The change of collector current with respect to emitter current

The change of base current with respect to gate current



A-002-03-03: Which component conducts electricity from a negative emitter to a positive collector when its base voltage is made positive?

An NPN transistor

A varactor

A triode vacuum tube

A PNP transistor



A-002-03-04: What is the alpha of a bipolar transistor in common base configuration?

Forward current gain

Forward voltage gain

Reverse current gain

Reverse voltage gain



A-002-03-05: In a bipolar transistor, the change of collector current with respect to base current is called:

beta

gamma

delta

alpha



A-002-03-06: The alpha of a bipolar transistor is specified for what configuration?

Common base

Common collector

Common gate

Common emitter



A-002-03-07: The beta of a bipolar transistor is specified for what configurations?

Common emitter or common collector

Common emitter or common gate

Common base or common collector

Common base or common emitter



A-002-03-08: Which component conducts electricity from a positive emitter to a negative collector when its base is made negative?

A PNP transistor

A triode vacuum tube

A varactor

An NPN transistor



A-002-03-09: Alpha of a bipolar transistor is equal to:

beta / (1 + beta)

beta X (1 + beta)

beta X (1 - beta)

beta / (1 - beta)



A-002-03-10: The current gain of a bipolar transistor in common emitter or common collector compared to common base configuration is:

large to very large

very small

usually about double

usually about half



A-002-03-11: Beta of a bipolar transistor is equal to:

alpha / (1 - alpha)

alpha / (1 + alpha)

alpha X (1 - alpha)

alpha X (1 + alpha)





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A-002-02: Diodes - point-contact, junction, hot-carrier, Zener, etc.
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Canadian Advanced Exam Question Bank
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A-002-04: Field effect transistor (FET), JFET, MOSFET
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