Electronic Principles
In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point

down
nowhere
None of these
off the load line
up

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Electronic Principles
Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?

The voltage causes current to flow in two directions at the same time
None of these
The voltage reverses polarity periodically
The voltage remains at one polarity and at a steady level
The voltage remains at one polarity but changes value periodically

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Electronic Principles
The rms value of a sine waveform is:

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

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