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Electronic Principles

Electronic Principles
When the collector current increases, what does the current gain do?

decreases
None of these
any of the above
stays the same
increases

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Electronic Principles
What kind of device is a diode?

Nonlinear
None of these
Linear
Bilateral
Unipolar

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Electronic Principles
A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding?

None of these
0.4 V
600 V
24 V
4.73

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Electronic Principles
What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm

180 degree
None of these
75 degree
30 degree
45 degree

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Electronic Principles
Which one of the following kinds of materials has the highest permeability?

A paramagnetic material
None of these
A ferromagnetic material
A diamagnetic material
All of these

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Electronic Principles
To get the Norton current, you have to

None of these
Open the voltage source
Open the load resistor
Short the voltage source
Short the load resistor

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