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Alternating current cannot be measured by DC ammeter because:
  • a)
    Alternating current cannot pass through the DC ammeter
  • b)
    Average value of complete cycle is zero
  • c)
    Alternating current changes its direction
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Alternating current cannot be measured by DC ammeter because:a)Alterna...
  • The DC ammeter measures the mean value of current and the mean value of the AC current is zero, so we cannot measure the AC current by the DC ammeter.
  • Hence, option 2 is correct.
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