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Electronic Principles

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

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

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Electronic Principles
How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?

2.02 A
None of these
0.02 A
0.955 A
0.41666666666667

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Electronic Principles
What is the algebraic sum of this series of values:+2, -3, -6,+4?

2
-6
-3
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?

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

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Electronic Principles
A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value?

None of these
90 Ohm - 101 ohm
99 Ohm - 102 ohm
90 Ohm - 110 ohm
98 Ohm - 100.1 ohm

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Electronic Principles
The emitter diode is usually

Reverse-biased
Nonconducting
Forward-biased
Operating in the breakdwon region
None of these

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