Electronic Principles
Thevenin theorem replaces a complicated circuit facing a load by an

Ideal voltage source and parallel resistor
Ideal current source and series resistor
Ideal voltage source and series resistor
Ideal current source and parallel resistor
None of these

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Electronic Principles
Which one of the following statements is true?

All of these
Power dissipation of a pure capacitor decreases with operating frequency
Power dissipation of a pure capacitor increases with operating frequency
There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency
None of these

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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 earths north magnetic pole
that would be attracted to the earth's south magnetic pole

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

The voltage always has the same amplitude and phase for every part of the circuit
The total voltages is equal to the sum of the voltages across the resistance and inductance
The total voltage lags the total current by less than 90
The total voltage is less than the sum of the voltages across the resistance and inductance
None of these

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