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Electronic Principles

Electronic Principles
How much current flows through a 60-W light bulb that is operating at 120 V?

0.5A
0.083333333333333
None of these
7200 A
180 A

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

2
None of these
4
1

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Electronic Principles
If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point

off the load line
up
None of these
down
nowhere

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Electronic Principles
Holes are the minority carriers in which type of semiconductor?

p-type
None of these
Extrinsic
Intrinsic
n-type

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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
multiplies the value of inductance by two
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 more
200 k Ohm or less
None of these
20 km or less
20 k Ohm or more

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