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Electronic Principles

Electronic Principles
The net charge of a neutral copper atom is

None of these
4
-1
1

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Electronic Principles
An ideal voltage source has

None of these
A load dependent voltage
Infinite internal resistance
Zero internal resistance
A load-dependent current

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Electronic Principles
When the Q point moves along the load line, the voltage increases when the current

Can be any of above
None of these
Increases
Decreases
Stays the same

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Electronic Principles
A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns?

100 A
1000 A
0.41666666666667
0.1 A
None of these

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Electronic Principles
Current can flow through a normally open push button switch as long as:

you are pressing the button
you are not pressing the button
its contact remain open
None of these
its contact remain open

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Electronic Principles
If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point

down
off the load line
up
None of these
nowhere

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