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

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 algebraic sum of currents entering and leaving a point is equal to zero
None of these
The current through a resistance is proportional to the value of resistance and the IR drop across it

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Electronic Principles
Which one of the following phrases most accurately describes a purely capacitive circuit?

Combinations of resistance and capacitive reactance provide any opposition to current flow
Capacitive reactance provides the only opposition to current flow
Resistances provide the only opposition to current flow
None of these
The ac voltage leads the current by 90 degree

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