Question

DESCRIBE A SIMPLE EXPERIMENT TO SHOW THAT THE TOTAL CHARGE ON A PAIR OF OBJECTS,THAT HAVE BEEN RUBBED TOGETHER,IS ZERO.

Answer 1

The procedure of rubbing a rubber balloon against your hair is a simple experiment to prove this. When you do this you will notice that the rubber balloon and your hair will attract each other. On a dry day, even though you might let go the balloon it will continue to stay near  your hair. This attraction between the two charged objects shows that the objects being charged are charged with an opposite type of charge. One is positively charged and the other is negatively charged.

                The frictional charging process results in a transfer of electrons between the two objects that are rubbed together. Prior to the charging, both objects are electrically neutral. The net charge of the system is 0 units. After the charging process, the more electron-loving object may acquire a charge of -12 units; the other object acquires a charge of +12 units. Overall, the system of two objects has a net charge of 0 units.

Answer 2

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• When a glass rod is rubbed against a silk cloth, then glass object acquires positive charge and silk cloth acquired negative charge. The amount of charge acquired by both the object must be equal, so that the net charge of the system is zero.