Physics · Alternating Current
किसी AC सर्किट में धारा तब वाटहीन (wattless) होती है जब धारा और वोल्टेज के बीच कलांतर (phase difference) होता है:
- 1π
- 2π2✓
- 3π4
- 4शून्य
सही उत्तर देखें
π2
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