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Electronic Principles

Electronic Principles
The barrier potential accross each depletion layer is

20 V
None of these
0.7 V
0.8 V

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

0.083333333333333
180 A
7200 A
0.5A
None of these

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Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W?

89.3 ohm
224 ohm
88.8 ohm
None of these
77.7 ohm

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

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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

down
None of these
up
off the load line
nowhere

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Electronic Principles
Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff?

None of these
100 Ohm
50 Ohm or more
6 Ohm
5 Ohm

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