If the charge of electricity is K wh is N4, what is the cost of...
PHYSICS
JAMB 2011
If the charge of electricity is K wh is N4, what is the cost of operating an electrical appliance rated 250 v,2 A for six hours?
- A) N28
- B) N12
- C) N16
- D) N24
Correct Answer: B) N12
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