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Electronic Principles

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

Decreases
Increases
Stays the same
0oC
None of these

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Electronic Principles
To get the Thevenin voltage, you have to

Open the load resister
Short the load resistor
Open the voltage source
None of these
Short the voltage source

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Electronic Principles
A dielectric material is:

a good conductor of magnetic fields
a good conductor
None of these
a good insulator
a poor conductor of electrostatic fields

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Electronic Principles
Inductive reactance is measured in units of:

henrys
None of these
Ohm
amperes per second
volts per second

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Electronic Principles
The direction of electron current flow is:

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

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Electronic Principles
The current gain of a transistor is defined as the ratio of the collector current to the

emitter current
collector current
None of these
base current
supply current

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