Question 20
Five 100-watt bulbs are put on for 45 days during which the home - owner is on vacation. If 1KW-hour of electricity costs N7.50, how much does it cost the home - owner?
Objective
Question details
- Exam body
- OAU
- Subject
- Physics
- Year
- 2013/2014
- Question no.
- #20
- Type
- Objective
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