JAMB Physics 2023 Objective — Question 23
Question 23 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2023 Objective paper, with the correct answer and a full explanation.
Advertisement
Cost of electricity is #5 per kWh. Cost of running a 250 V, 4 A appliance for 3 hours:
- A. #30
- B. #15Correct
- C. #25
- D. #33
Explanation
P=1000 W=1 kW; E=3 kWh; cost=#15.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.