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Electronic Principles

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

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

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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?

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

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Electronic Principles
A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode?

55 A
16.3 mA
55.86 A
None of these
18.2 mA

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Electronic Principles
The equivalent of 1 kV is:

1.00 V
100 mV
1000 V
1000 mV
None of these

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Electronic Principles
An audio transformer has a turn ratio of 9, What is its impedance ratio?

None of these
6
9
81
85

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Electronic Principles
Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91?

200 W
20 W
None of these
100 W
1000 W

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