Electronic Principles
Which one of the following is a statement of Kirchhoffs current law?

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

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

The voltage always has the same amplitude and phase for every part of the circuit
The total voltage is equal to the sum of the voltages across the resistance and capacitance
The total voltage is less than the sum of the voltages across the resistance and capacitance
The total voltage is greater than the sum of the voltages across the resistance and capacitance
None of these

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

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