Question

A)When you touch the door knob of a door immediately after cleaning the dust in the door with a cloth, you tend to receive an electric shock. Give reason. b)When you touch a switch with your wet finger, you tend to receive an electric shock. State two differences between this and the scenario mentioned in (a).

Answer 1

a) its because you will resive static electricity for the door knob , which i staticly electrified by viping
B) when u touch a switch with wet hands the water in your hands conduct electricity from the switch to your hand
 A)its static electricity           (B) its the electricity from the circuit
 A)it will go after some time  (B) it ill be there as long as there is a supply of                                                         electricity