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

None of these
The total voltage lags the total current by less than 90
The total voltages is less than 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 is equal to the sum of the voltages across the resistance and inductance

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Electronic Principles
When a series RLC circuit is operating at its resonant frequency:

None of these
inductive reactance is greater than the capacitive reactance
the difference between inductive and capacitive reactance is equal to the resistance
capacitive reactance is greater than the inductive reactance
inductive reactance is equal to the capacitive reactance

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Electronic Principles
A high-pass filter:

has no effect on ac signals
increases the level of all frequencies by a significant amount
None of these
passes lower-frequency signals and reduces higher-frequency signals
passes higher-frequency signals and reduces lower-frequency signals

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