Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

cuts the current through the inductors one-half
has no effect on the current through the inductors
doubles the amount of current through the inductors
increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
None of these

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

The total current is equal to the sum of the currents through the resistance and inductance
The total current leads the total voltage by less than 90
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
None of these

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