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Electronic Principles

Electronic Principles
How many protons does the nucleus of a silicon atom contain?

14
48
None of these
4
29

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Electronic Principles
The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:

None of these
No more than 10% less than the primary current
Twice the primary current
One-half the primary current
Same as the primary current

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Electronic Principles
Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold

22,000 Ohm, 5%
220 Ohm, 10%
None of these
22, 000 Ohm, 10%
220 Ohm, 5%

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Electronic Principles
The total impedance of a series RLC circuit:

always increases as the applied frequency increases
always decreases as the applied frequency increases
is minimum at the resonant frequency
is maximum at the resonant frequency
None of these

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Electronic Principles
A basic capacitor is composed of:

two coils separated by a dielectric
two conductors separated by a dielectric
two coils separated by a conductor
two dielectrics separated by a conductor
None of these

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Electronic Principles
Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field?

None of these
Counterclockwise
Into this page
Clockwise
Out of this page

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