Electronic Principles
The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor?

350 µA
0.25 µA
250 µA
300 µA
None of these

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Electronic Principles
The rms value of a sine waveform is:

the time required to complete one full cycle
equal to 1.41 times the peak amplitude
the number of cycles completed in one second
equal to 0.707 times the peak amplitude
None of these

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

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

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