Electronic Principles
Voltage is

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

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Electronic Principles
The peak value of a sine waveform is:

the amplitude at 1.41 times the maximum value
the amplitude at 70.7% of the maximum value
the maximum positive or negative value
None of these
the amplitude at 90% of the maximum value

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Electronic Principles
One henry of inductance is defined as:

None of these
the amount of inductance required to change the frequency of a current by 1 Hz
the amount of counter emf required to reduce a current to 1 A
the number of turns of wire in an inductor multiplied by the amount of current flowing through it
the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second

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Electronic Principles
The north pole of a magnet is the one:

that would be attracted to the earth's south magnetic pole
None of these
that would be attracted to the earth's north magnetic pole
that would be repelled by the south pole of another magnet
that has its molecules arranged in a random pattern

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Electronic Principles
What is a negative ion?

An atom that contains more electrons than neutrons
An atom that contains more protons than electrons
An atom that contains more protons than neutrons
None of these
An atom that contains more electrons than protons

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