Electronic Principles
The knee voltage of a diode is approximately equal to the

Applied voltage
Barrier potential
None of these
Forward voltage
Breakdown voltage

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

The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it
The total current in a parallel circuit is always less than the smallest amount of current
The same current always flows through every part of a parallel circuit
None of these

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

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

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