Electronic Principles
When the Q point moves along the load line, the voltage increases when the current

None of these
Decreases
Stays the same
Increases
Can be any of above

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Electronic Principles
Which one of the following statements best describes magnetic hysteresis?

None of these
Hysteresis is most apparent when the core material is saturated
Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet
Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently
Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

None of these
The actual frequency of a sine waveform is 1.41 times the working frequency
The higher the amplitude of a waveform, the higher its frequency
The longer the period of a waveform, the lower its frequency
Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz

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Electronic Principles
Current is

The flow of charged particles through a material
The force that causes electrons to flow
An imbalance of electrical charges
The number of free electrons in an atom
None of these

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