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Electronic Principles

Electronic Principles
A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current?

13 mA
3.2 mA
0.05 mA
None of these
3.75 mA

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

None of these
-6
2
-3

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Electronic Principles
The equivalent of 1 micro A is:

1000 A
None of these
10000A
one million amperes
one-millionth of an ampere

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Electronic Principles
A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage?

700 V
208 V
707 V
None of these
651 V

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Electronic Principles
To get the Thevenin voltage, you have to

Open the voltage source
Short the load resistor
Short the voltage source
Open the load resister
None of these

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Electronic Principles
What kind of device is a diode?

Bilateral
Nonlinear
Linear
None of these
Unipolar

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