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Electronic Principles

Electronic Principles
When the graph of current versus voltage is a straight line, the device is referred to as

Active
Linear
Bipolar
Nonlinear
None of these

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Electronic Principles
Inductive reactance is measured in units of:

volts per second
Ohm
henrys
amperes per second
None of these

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Electronic Principles
Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field?

Into this page
None of these
Counterclockwise
Out of this page
Clockwise

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Electronic Principles
The equivalent of 1 micro A is:

None of these
one-millionth of an ampere
10000A
one million amperes
1000 A

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Electronic Principles
The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current?

1.75 mA
17.5 mA
175 mA
1750 mA
None of these

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Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit?

Reluctance
Number of lines of force
Flux density
None of these
Magnetomotive force

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