1.What is electricity? 2.What are the various sources of electricity?
3.
The difference between AC and DC electricity/power
4.How to ensure electrical safety for electrical equipment and for human beings

5.The difference between voltage and current in an electric circuit
6.What is an electrical load and what is meant by overload in electric circuits?

7.The principle of generation of AC electricity. How does an AC generator work, briefly?
8.The difference between single-phase and three-phase electricity
9.Discuss: generation, transmission, distribution, and consumption of electricity
10.Draw a single-line diagram for the electrical layout your household as per your understanding

In the middle of the night you are standing a horizontal distance of 14.0 m from the high fence that surrounds the estate of your rich uncle. the top of the fence is 5.00 m above the ground. you have taped an important message to a rock that you want to throw over the fence. the ground is level, and the width of the fence is small enough to be ignored. you throw the rock from a height of 1.60 m above the ground and at an angle of 54.0 degrees above the horizontal. part a part complete what minimum initial speed must the rock have as it leaves your hand to clear the top of the fence? express your answer with the appropriate units. part b for the initial velocity calculated in the previous part, what horizontal distance beyond the fence will the rock land on the ground?