Transistors

Question 1

When base of current on an NPN transistor is increased, what happens to collector current?

Answer 1

Increases

Question 2

Current gain of a transistor is commonly expressed as a ratio of _____ to _______

Answer 2

Base current to collector current

Question 3

In normal operation the be junction of a transistor is ______ biased

Answer 3

Forward

Question 4

In normal operation the cb junction is ______ biased

Answer 4

Reverse

Question 5

Current gain is reflected by

Answer 5

Beta

Question 6

VCE at saturation

Answer 6

0.1V

Question 7

VBE at saturation

Answer 7

0.7V

Question 8

As the base of an NpN transistor becomes more positive the collector current

Answer 8

Increases

Question 9

Collector current in a PNP transistor will decreases as the base becomes less

Answer 9

Negative

Question 10

When a transistor is cut off VBE =

Answer 10

VCC, or source

Question 11

When a transistor is biased, VBE is

Answer 11

Between 0.1V and Source.

Question 12

When a transistor is saturated, the impedence between collector and emitter is

Answer 12

Low