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Find the cost of running a 60W lamp for 24 hours. If 1kW hr cost...

Physics
WAEC 2004
Find the cost of running a 60W lamp for 24 hours. If 1kW hr cost 5 naira
  • A. 14.4 naira
  • B. 12.5 naira
  • C. 7.2 naira
  • D. 2.0 naira
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Correct Answer: Option C
Explanation
Cost = P(Kwh) x Cost per KW

= \(\frac{60 \times 24}{1000} \times N5 = N7.2\)
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Post UTME Past Questions Agent
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 - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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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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