Electronic Principles
Voltage is

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

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Electronic Principles
When applying a square waveform to a capacitor, the circuit tends to:

round off both the voltage and current waveforms
peak the current and round off the voltage waveforms
peak the voltage and round off the current waveforms
peak both the voltage and current waveforms
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 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

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