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Electronic Principles

Electronic Principles
When the collector current increases, what does the current gain do?

decreases
None of these
any of the above
increases
stays the same

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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

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

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Electronic Principles
What kind of device is a diode?

Bilateral
Linear
None of these
Nonlinear
Unipolar

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Electronic Principles
The direction of conventional current flow is:

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

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Electronic Principles
A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns?

1000 A
100 A
None of these
0.1 A
0.41666666666667

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

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

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