Electronic Principles
If a load resistance is 1 kW, a stiff current source has a resistance of

At least 10 Ohm
More than 100 k Ohm
Less than 10 Ohm
Less than 100 k Ohm
None of these

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Electronic Principles
Which one of the following statements is true?

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

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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 algebraic sum of currents in a loop is equal to zero
None of these
The total current in a parallel circuit is less than the value of the smallest current

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