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

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

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

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Electronic Principles
The rms value of a sine waveform is:

the number of cycles completed in one second
None of these
equal to 0.707 times the peak amplitude
equal to 1.41 times the peak amplitude
the time required to complete one full cycle

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Electronic Principles
Which one of the following statements is true for voltage in a series circuit?

The total voltage in a series circuit is always less than the value of the smallest voltage
The total voltage is equal to the sum of the individual voltages in a series circuit
The total voltage of a series circuit is equal to the total current divided by the total resistance
None of these
The total voltage in a series circuit is equal to the average value of the individual voltages

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