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Network TheoryAC Circuit Analysis

In a purely capacitive AC circuit, current ideally?

  • ALags voltage by 90 degrees
  • BLeads voltage by 90 degrees
  • CIs in phase with voltage
  • DLeads voltage by 180 degrees
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Correct Answer: B. Leads voltage by 90 degrees
Explanation: For an ideal capacitor, current leads voltage by 90 degrees.
Reference: Standard network theory: ac circuit analysis
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