Electronic Principles
Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff?

20 km or less
200 k Ohm or more
None of these
200 k Ohm or less
20 k Ohm or more

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

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

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Electronic Principles
Which one of the following is a direct statement of Ohm's law?

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 algebraic sum of currents entering and leaving a point is equal to zero
The total resistance of a parallel circuit is less than the value of the smallest resistance

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