An ammeter connected to an a.c circuit records 5.5. The peak current in the circuit…

Physics WAEC 2009

An ammeter connected to an a.c circuit records 5.5. The peak current in the circuit is

  • 7.8A checkmark
  • 7.1A
  • 3.8A
  • 3.5A

The correct answer is: A

Explanation

\(I_o = I_{rms} \times \sqrt{2} = 5.5 \times 1.41 = 7.8A\)
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