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

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

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

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

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