Electronic Principles
Voltage is

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

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

peak the current and round off the voltage waveforms
peak the voltage and round off the current waveforms
round off both the voltage and current waveforms
None of these
peak both the voltage and current waveforms

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Electronic Principles
Waveforms are graphs that show:

None of these
amplitude on the vertical axis and the passage of time on the horizontal axis
frequency on the vertical axis and amplitude on the horizontal axis
amplitude on the vertical axis and frequency on the horizontal axis
the passage of time on the vertical axis and amplitude on the horizontal axis

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Electronic Principles
Which one of the following phrases best describes residual magnetism?

The circular magnetic field that surrounds a conductor carrying a current
The amount of magnetic flux that is not confined to the core material of an electromagnet
None of these
Magnetism that remains in the core of an electromagnet after the current through the coil is turned off
The force of attraction between the poles of a permanent and temporary magnetic field

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