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Electronic Principles

Electronic Principles
What is the algebraic sum of this series of values:+2, -3, -6,+4?

2
-3
-6
None of these

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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
0.955 A
0.41666666666667
None of these
0.02 A

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Electronic Principles
The valence electron of a copper atom experiences what kind of attraction toward the nucleus?

Weak
None of these
Strong
Impossible to say
Neutral

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Electronic Principles
What is the inductive reactance of a 2-H coil operating at 60 Hz?

120 Ohm
754 Ohm
None of these
60 Ohm
30 Ohm

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Electronic Principles
Doubling the diameter of the coil in an inductor:

multiplies the value of inductance by four
reduces the value of inductance by one-half
multiplies the value of inductance by two
None of these
reduces the value of inductance by one-fourth

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

cuts the capacitive reactance in half
None of these
has no effect on the capacitive reactance
multiplies the capacitive reactance by 7
doubles the amount of capacitive reactance

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