Electronic Principles
The saturation point is approximately the same as

cutoff point
None of these
upper end of the load line
infinity
lower end of the load line

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

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

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Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

has no effect on the current through the inductors
None of these
increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
doubles the amount of current through the inductors
cuts the current through the inductors one-half

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Electronic Principles
When a parallel RLC circuit is operating at its resonant frequency:

None of these
inductive reactance is greater than the capacitive reactance
inductive reactance is equal to the capacitive reactance
capacitive reactance is greater than the inductive reactance
the difference between inductive and capacitive reactance is equal to the resistance

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