Answer to Question #61344 in Electricity and Magnetism for muhammad umar

Question

15) A battery has emf 13.2V and internal resistance
24mΩ
. If the load current is 20.0A, find the terminal voltage o f the battery
a) 12.7V
b) 14.5V
c) 16.8V
d) 17.7V

16) Electrical energy is sold by PHCN in units of kilowatt-hour (kWh). The lighting of a house is done with five 60W bulbs which are swithed on for approximately three hours per day. What is the lighting bill for the household over a period of 30days at the rate of N1.20 per kilowatt-hour?
a) N1.50
b) N25.30
c) N32.40
d) N52.20