Electronic Principles
Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?

None of these
P = I2R
I = P/E
P = E2/R
P = IE

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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:

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
None of these
that would be attracted to the earths north magnetic pole

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Electronic Principles
Which one of the following statements best applies to a series RLC circuit?

All of these
The voltage waveform for each component always has the same amplitude and phase as the applied voltage
The sum of the current is always less than the applied current
None of these
The current waveform for each component always has the same amplitude and phase as the applied current

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