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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
  • A. 7.8A
  • B. 7.1A
  • C. 3.8A
  • D. 3.5A
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Correct Answer: Option A
Explanation
\(I_o = I_{rms} \times \sqrt{2} = 5.5 \times 1.41 = 7.8A\)
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WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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Post UTME Past Questions Agent
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WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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