NCERT · Class 12 · Physics · Alternating CurrentThe power factor of a purely capacitive AC circuit is:
Step-by-Step Solution
For a purely capacitive circuit, the phase difference between voltage and current is $\phi = 90^\circ$. Therefore, Power factor = $\cos\phi = \cos 90^\circ = 0$.
Detailed Options Breakdown
Option : 1
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Alternating Current.
Option 1: 0 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 0.5
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Alternating Current.
Option 3: Infinite
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Alternating Current.
💡 Study Guide: This question tests core syllabus concepts from Alternating Current. For formulas, key summaries, and mock exam reference guides, read the full Alternating Current Revision Notes.