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Electronic Principles

Electronic Principles
How many types of flow are there in a semiconductor?

None of these
1
2
3

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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?

4.73
24 V
0.4 V
600 V
None of these

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Electronic Principles
Doubling the operating frequency of a purely capacitive circuit:

None of these
doubles the amount of total current
has no effect on the total circuit current
cuts the total current by one-half
thrice the amount of total current

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Electronic Principles
To get the Norton current, you have to

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

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Electronic Principles
Who invented the first junction transistor?

Smith
Fisher
Shockley
Gomes
None of these

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Electronic Principles
The saturation point is approximately the same as

infinity
None of these
lower end of the load line
upper end of the load line
cutoff point

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