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

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

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

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

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Electronic Principles
The rms value of a sine waveform is:

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

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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 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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