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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
Bipolar
Nonlinear
Linear
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?

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

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Electronic Principles
A transistor has how many doped regions?

2
1
None of these
3
4

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Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W?

88.8 ohm
224 ohm
89.3 ohm
77.7 ohm
None of these

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Electronic Principles
At room temperature a conductor has low many holes?

less than the free electrons
many
None of these
Same number as free electrons
Only those produced by thermal energy

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Electronic Principles
When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a:

parallel RLC circuit operated above its resonant frequency
parallel RC circuit
parallel RL circuit
purely resistive circuit
None of these

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