Computer Science - Electronic Principles - Discussion

Discussion Forum : Electronic Principles - Section 1 (Q.No. 20)
20.
Which one of the following phrases most accurately describes a purely inductive circuit?
Resistances provide the only opposition to current flow
Inductive reactance provides the only opposition to current flow
Combinations of resistance and inductive reactance provide any opposition to current flow
The ac voltage lags the current by 90 degree
None of the above
Answer: Option
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