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In an A.C. circuit with voltage V and current I the power dissipated is [1997] 
  • a)
     dependent on the phase between V and I
  • b)
  • c)
  • d)
    VI
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
In an A.C. circuit with voltage V and current I the power dissipated i...
Power dissipated = Erms. Irms = (Erms) (Irms)
cos θ
Hence, power dissipated depends upon
phase difference.
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