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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Conductors and Insulators
Last modified on:5 years agoReading Time:2MinutesConductors and Insulators Solids are mainly classified into two groups, conductors and insulators. In conductors, electric charges are free to move from one place to another, whereas in insulators they are tightly bound to their respective atoms. In an uncharged body, there are equal number of positive and negative charges. The…
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Electric Field Due to a Point Charge
Last modified on:3 years agoReading Time:1MinuteElectric Field Due to a Point Charge The electric field produced by a point charge q can be obtained in general terms from Coulomb’s law.First note that the magnitude of the force exerted by the charge q on a test charge q0 is then divide this value by q0 to obtain…
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Electric Field Due to a Charged Ring
Last modified on:3 years agoReading Time:4MinutesElectric Field Due to a Charged Ring A conducting ring of radius R has a total charge q uniformly distributed over its circumference. We are interested in finding the electric field at point P that lies on the axis of the ring at a distance x from its centre. We divide…
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Case Study Question for Class 12 Physics Chapter 1 Electric Charges and Fields
Last modified on:5 months agoReading Time:36Minutes Case Study Questions for Class 12 Physics Chapter 1 Electric Charges and Fields Class 12 Physics · Chapter 1 There is Case Study Questions in class 12 Physics in session 2020-21. The first two questions in the board exam question paper will be based on Case Study and Assertion &…
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Case Study Questions for Class 12 Chemistry Chapter 1 The Solid State
Last modified on:5 years agoReading Time:11MinutesThere is Case Study Questions in class 12 Chemistry in session 2020-21. The first two questions in the board exam question paper will be based on Case Study and Assertion & Reason. The first question will have 5 MCQs out of which students will have to attempt any 4 questions. The…
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Chemistry MCQs for Class 11 Chapter 5 States of Matter
Last modified on:4 years agoReading Time:26MinutesHere we are providing MCQ Questions for Class 11 Chemistry Chapter 5 States of Matter. These questions are prepared by subject experts. Practicing these questions will help to score better marks in the exam. MCQ Questions for Class 11 Chemistry Chapter 5 States of Matter Q.1. The rate of diffusion of…
