Electronic Principles
Voltage is

Trie force that causes electrons to flow
The number of free electrons in an atom
The flow of charged particles through a material
The smallest electrically charged particle
None of these

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Electronic Principles
Which one of the following statements is true for voltage in a parallel circuit?

None of these
The total voltage in a parallel circuit is always less than the value of the smallest voltage
The total voltage of a parallel circuit is the same as the voltages across each branch
The total voltage in a parallel circuit is equal to the average value of the individual voltages
The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit

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

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 the core material is saturated
None of these
Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet

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Electronic Principles
The period of a waveform is:

equal to 0.707 times the peak amplitude
the time required to complete one full cycle
the time required for the voltage to rise from 10% to 90% of the peak amplitude
None of these
the number of cycles completed in one second

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