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

Resistances provide the only opposition to current flow
Inductive reactance provides the only opposition to current flow
Combinations of resistance and inductive reactance provide any opposition to current flow
None of these
The ac voltage lags the current by 90 degree

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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
None of these
The algebraic sum of currents in a loop 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 entering and leaving a point is equal to zero

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