Electronic Principles
Doubling the operating frequency of an inductive circuit:

cuts the inductive reactance in half
doubles the amount of inductive reactance
multiplies the inductive reactance by 6.28
has no effect on the inductive reactance
None of these

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

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

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