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Electronic Principles

Electronic Principles
Which is the most widely used semiconductor?

None of these
Silicon
Copper
All of these
Germanium

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Electronic Principles
The basic unit of measurement for resistance is the:

ampere
None of these
watt
ohm
volt

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Electronic Principles
How may valence electrons does a silicon atom have?

4
2
1
None of these

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

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

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Electronic Principles
The rise time of a pulse waveform is the time required for the voltage to rise:

from zero to its peak value
None of these
from zero to its rms value
from 10% of the peak value to 70.7% of the peak value
from 10% of the peak value to 90% of the peak value

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Electronic Principles
When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a:

parallel RLC circuit operated above its resonant frequency
purely resistive circuit
parallel RL circuit
None of these
parallel RC circuit

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