Electronic Principles
Voltage is

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

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Electronic Principles
Which one of the following is a statement of Kirchhoffs current law?

The total current in a parallel circuit is less than the value of the smallest current
The current through a resistance is proportional to the value of resistance and the IR drop across it
The algebraic sum of currents in a loop is equal to zero
The algebraic sum of currents entering and leaving a point is equal to zero
None of these

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

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

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Electronic Principles
Which one of the following statements best applies to a parallel RLC circuit?

The voltage waveform for each component always has the same amplitude and phase as the applied voltage
None of these
All of these
The current waveform for each component always has the same amplitude and phase as the applied current
The sum of the current is always less than the applied current

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