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

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

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Electronic Principles
In a pure inductor:

ac current is converted to dc voltage
ac current lags the voltage by 90 degree
ac current leads the voltage by 90 degree
ac current and voltage are exactly in phase
None of these

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