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

14.8 µA
7.75 µA
7.8 µA
None of these
10.3 µA

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Electronic Principles
The north pole of a magnet is the one:

that would be attracted to the earth's north magnetic pole
that has its molecules arranged in a random pattern
that would be attracted to the earth's south magnetic pole
that would be repelled by the south pole of another magnet
None of these

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