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Electronic Principles

Electronic Principles
A transistor has how many doped regions?

None of these
3
1
2
4

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

Active
Linear
Nonlinear
None of these
Bipolar

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Electronic Principles
The emitter diode is usually

Forward-biased
Reverse-biased
Operating in the breakdwon region
None of these
Nonconducting

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Electronic Principles
If a load resistance is 1 kW, a stiff current source has a resistance of

At least 10 Ohm
Less than 10 Ohm
More than 100 k Ohm
Less than 100 k Ohm
None of these

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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?

None of these
0.41666666666667
0.1 A
100 A
1000 A

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Electronic Principles
A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

8 V
None of these
3 V
16 V
7.5 V

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