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Electronic Principles

Electronic Principles
What is the turns ratio for the transformer specified in the above question?

0.575
None of these
1.5
10.738
0.707

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

2
None of these
-3
-6

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Electronic Principles
The net charge of a neutral copper atom is

1
-1
4
None of these

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Electronic Principles
The number of free electrons and holes in intrinsic semiconductor increases when the temperature

Decreases
None of these
Stays the same
0oC
Increases

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Electronic Principles
A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

15 V
7.5 V
16 V
8 V
None of these

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

0.151 mA
157 raA
None of these
2.02 A
0.995 mA

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