Electronic Principles
Which one of the following phrases most accurately describes a purely inductive circuit?

None of these
Inductive reactance provides the only opposition to current flow
Resistances provide the only opposition to current flow
The ac voltage lags the current by 90 degree
Combinations of resistance and inductive reactance provide any opposition to current flow

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Electronic Principles
Which one of the following statements is true for the voltages in a series 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 voltage always has the same amplitude and phase for every part of the circuit
The total voltage is greater than the sum of the voltages across the resistance and capacitance
None of these

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