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Electronic Principles

Electronic Principles
Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value?

37.4 V
None of these
35.4 V
38.74 V
30.4 V

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Electronic Principles
The direction of electron current flow is:

from negative to positive
from positive to negative
from neutral to positive
from right to left
None of these

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Electronic Principles
Which one of the following devices is most often used for measuring opposition to current flow in a circuit?

Ammeter
Ohmmeter
Voltmeter
None of these
Wattmeter

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Electronic Principles
Who invented the first junction transistor?

Smith
Shockley
Gomes
None of these
Fisher

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Electronic Principles
How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?

2.02 A
0.02 A
0.955 A
0.41666666666667
None of these

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Electronic Principles
Which one of the following devices is most often used for measuring electrical potential difference?

None of these
Voltmeter
Wattmeter
Ohmmeter
Ammeter

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