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Electronic Principles

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

-3
-6
None of these
2

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Electronic Principles
The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current?

7.75 µA
None of these
10.3 µA
7.8 µA
14.8 µA

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Electronic Principles
What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm?

150 ohm
None of these
690 ohm
220 ohm
445 ohm

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Electronic Principles
1 Microfarad is the same as:

1 million farads
1 million picofarads
None of these
1000 millifarads
1 millionth of a picofarad

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Electronic Principles
At cut off, the Q point is at

upper end of the load line
infinity
lower end of the load line
None of these
middle of the load line

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Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit?

Permeability
Permeance
There is no valid comparison
Retentivity
Reluctance

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