JAMB Physics
What is the cost of running five 500 W lamps and four 100W lamps for 10 hours if electrical energy costs 2 kobo per kWh?
a.
₦0.13
b.
₦0.65
c.
₦3.90
d.
₦39.00
No Answer Submitted
JAMB Physics
What is the cost of running five 500 W lamps and four 100W lamps for 10 hours if electrical energy costs 2 kobo per kWh?
₦0.13
₦0.65
₦3.90
₦39.00
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