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A negatively charged ebonite rod is made to touch an insulated brass sphere. The brass sphere gets electrically charged by the process of
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When a negatively charged ebonite rod is rubbed on a metal object, such as the sphere in Figure a, some of the excess electrons from the rod are transferred to the object. Once the electrons are on the metal sphere, where they can move readily, they repel one another and spread out over the spheres surface. The insulated stand prevents them from flowing to the earth, where they could spread out even more. When the rod is removed, as in Figure b of the picture, the sphere is left with a negative charge distributed over its surface. In a similar manner, the sphere would be left with a positive charge after being rubbed with a positively charged rod. In this case, electrons from the sphere would be transferred to the rod. The process of giving one object a net electric charge by placing it in contact with another object that is already charged is known as electric conduction.
Hence, A negatively charged ebonite rod is made to touch an insulated brass sphere. The brass sphere gets electrically charged by the process of conduction.
Hence, A negatively charged ebonite rod is made to touch an insulated brass sphere. The brass sphere gets electrically charged by the process of conduction.
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Question Text | A negatively charged ebonite rod is made to touch an insulated brass sphere. The brass sphere gets electrically charged by the process of |
Topic | Electric Charges and Fields |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 |
Upvotes | 138 |