Electronic Principles
Which one of the following statements is true for the currents in a parallel RL circuit?

The total current is less than the sum of the currents through the resistance and inductance
The current always has the same amplitude and phase for every part of the circuit
The total current leads the total voltage by less than 90
None of these
The total current is equal to the sum of the currents through the resistance and inductance

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

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

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Electronic Principles
In a pure inductor:

ac current lags the voltage by 90 degree
ac current and voltage are exactly in phase
None of these
ac current leads the voltage by 90 degree
ac current is converted to dc voltage

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