In the diagram below, a 200 W bulb is lighted by a 240 V a.c

PHYSICS
JAMB 2010

In the diagram below, a 200 W bulb is lighted by a 240 V a.c mains supply. If 1kwh is sold at ₦40, the cost of keeping the bulb lighted for a day is

  • A) ₦1,920.00
  • B) ₦192.00
  • C) ₦19.20
  • D) ₦1.92

Correct Answer: B) ₦192.00



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