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Electronic Principles

Electronic Principles
How may valence electrons does a silicon atom have?

2
None of these
1
4

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Electronic Principles
Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff?

6 Ohm
5 Ohm
100 Ohm
None of these
50 Ohm or more

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Electronic Principles
A real voltage source has

A large internal resistance
A small internal resistance
Infinite internal resistance
Zero internal resistance
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
Counterclockwise
Out of this page
Clockwise
None of these

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Electronic Principles
The barrier potential accross each depletion layer is

0.8 V
None of these
20 V
0.7 V

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Electronic Principles
Reducing the amount of current through an inductor:

reduces the value of inductance by one-half
multiplies the value of inductance by two
has no effect on the inductance
None of these
multiplies the value of inductance by four

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