Electronic Principles
Doubling the diameter of the coil in an inductor:

multiplies the value of inductance by two
reduces the value of inductance by one-half
reduces the value of inductance by one-fourth
multiplies the value of inductance by four
None of these

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Electronic Principles
Which one of the following is a statement of KirchhofFs voltage law?

The algebraic sum of voltages entering and leaving a point is equal to zero
The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
None of these
The total voltage in a parallel circuit is less than the value of the smallest voltage
The algebraic sum of voltages in a loop is equal to zero

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

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

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