Find the cost of running a 60W lamp for 24 hours. If 1kW hr cost 5 naira

By: |Published on: May 21|Categories: Physics WAEC| 0 comments

A. 14.4 naira
B. 12.5 naira
C. 7.2 naira
D. 2.0 naira

Correct Answer: Option C

C. 7.2 naira

Explanation

Cost = P(Kwh) x Cost per KW

= {(60×24)/1000}×N5=N7.2

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