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Electronic Principles

Electronic Principles
The barrier potential accross each depletion layer is

0.8 V
None of these
20 V
0.7 V

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Electronic Principles
As the temperature increases, the current gain

can be any of the above
None of these
increases
contant
decreases

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Electronic Principles
The direction of electron current flow is:

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

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Electronic Principles
Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff?

200 k Ohm or less
20 km or less
200 k Ohm or more
20 k Ohm or more
None of these

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Electronic Principles
What is the smallest number of polarities required for current flow?

One - a negative terminal
Three - negative, positive and neutral terminals
Four - two negative and two positive
None of these
Two - a negative terminal and a positive terminal

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Electronic Principles
Doubling the number of turns of wire in an inductor:

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

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