Table of Contents
Charging of Insulators
Since charge cannot flow through insulators, neither conduction nor induction can be used to charge, insulators, so in order to charge an insulator friction is used. Whenever an insulator is rubbed against a body exchange of electrons takes place between the two. This results in appearance of equal and opposite charges on the insulator and the other body. Thus the insulator is charged.
For example rubbing of plastic with fur, silk with glass causes charging of these things.
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Charging of Insulators
Last modified on:4 years agoReading Time:2Minutes Charging of Insulators Since charge cannot flow through insulators, neither conduction nor induction can be used to charge, insulators, so in order to charge an insulator friction is used. Whenever an insulator is rubbed against a body exchange of electrons takes place between the two. This results in appearance of…
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Charging by Contact
Last modified on:4 years agoReading Time:2Minutes Charging by Contact When a negatively charged ebonite rod is rubbed on a metal object, such as a sphere, some of the excess electrons from the rod are transferred to the sphere. Once the electrons are on the metal sphere, where they can move readily, they repel one another and…
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Charging by Rubbing
Last modified on:4 years agoReading Time:3Minutes Charging by Rubbing The simplest way to charge certain bodies is to rub them against each other. When a glass rod is rubbed with a silk cloth, the glass rod acquires some positive charge and the silk cloth acquires negative charge by the same amount. The explanation of appearance of…
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Management of Natural Resources (NOTES)
Last modified on:5 years agoReading Time:12MinutesFacts that Matter 1. Ganga Action Plan started in 1985 to remove the pollution in Ganga. 2. The 3 R’s. to save environment are (a) Reduce (b) Recycle (c) Reuse 3. Sustainable development encourages forms of growth that meet current basic human needs…
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Class-11 Physics (Sample Papers For Practice)
Last modified on:5 years agoReading Time:13Minutes 1. A light body and heavy body have equal momentum, which one have greater kinetic energy? 2. What does speedometer of a car indicates? 3. Write down the dimensions of viscosity coefficient 4. Why do we use ball-bearings? 5. How errors are combined in following mathematical operations of physical quantities?…
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Electrostatics (Study Notes)
Last modified on:5 years agoReading Time:9MinutesELECTRIC CHARGES AND FIELDS Electrostatics: Electrostatics is the study of electrical charges at rest (static electricity). Electric Charge: Have you ever noticed what happens when a comb is ruffled through hair? It now becomes capable of attracting small pieces of paper. Similarly, a glass rod rubbed with silk cloth…
