The line that draws power supply to your house from the street has 
(a) zero average current
(b) \(220\) V average voltage
(c) voltage and current out of phase by \(90^\circ\)
(d) voltage and current possibly differing in phase \(\phi\) such that \(|\phi|<\dfrac \pi 2\)
 
Choose the correct options:
1. (b), (c)
2. (a), (d)
3. (b), (d)
4. (a), (c)
Subtopic:  AC vs DC |
From NCERT
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NEET 2025 - Target Batch
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