InterviewSolution
Saved Bookmarks
| 1. |
(a) What is meant by electric power" ? Write the formula for electric power in terms of potential differenceThe diagram below shows a circuit containing a lamp La voltmeter and an ammett The vonreading is 3 V and the ammeter reading is 0.5 AWhat is the resistance of the lamp ?!(m) What is the power of the lamp ?!Define kilowatt-hour. How many joules are there in one kilowatt-hour?Calculate the cost of operating a heater of 500 W for 20 hours at the rate of 3.90 per unit.or 20 heulowatt-hour ? 3.64697 |
| Answer» | |