Open-Response Homework Problem 2.2 You want to play a trick on a friend. (For th
ID: 1404847 • Letter: O
Question
Open-Response Homework Problem 2.2 You want to play a trick on a friend. (For those of you who actually want to play a trick on a friend, this does not actually develop enough charge to shock someone.) (a) Describe how you would use a charged golf tube (from lab) to charge a door knob keeping in mind that charge is very stuck to the golf tube and cannot be transferred directly. (b) Some time after you charge the door knob, and without anyone touching it in that time, the charge has disappeared. Resolve this observation with the law of conservation of charge.Explanation / Answer
a)
Here golf ball is an insulator. Charge can only be transfereed when the golf ball and knobs are touched together. You can rub them together to transfer charges more easily.
Here charge is being transferred by polarisation.
b)
Charge dissapear because knob polarizes the air around it which are in contact with it. This results in lost of charge. Charge has kust been tranferred from knob to air. It follows law of conservation of charge.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.