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.
-
Conductors and Insulators
Last modified on:4 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…
-
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…
-
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…
-
PowerPoint Presentations for Online Teaching
Last modified on:1 month agoReading Time:4Minutes [Download] PowerPoint Presentations for Online Teaching We are providing PowerPoint Presentations (PPTs) for class 6 to 12. The list of available Presentations (PPTs) is given below. Just click on the link for more details. List of Available PowerPoint Presentations (PPTs) Class and Subjects Why Use Our PPTs for Online Teaching?…
-
MCQ Questions for ICSE Class 10 Physics Chapter 10 Magnetic Effect of Current
Last modified on:4 years agoReading Time:8MinutesMCQ Questions for ICSE Class 10 Physics Chapter 10 Magnetic Effect of Current Here we are providing MCQ Questions for ICSE Class 10 Physics Chapter 10 Magnetic Effect of Current. This covers questions from the entire chapter. Practicing these questions will help students to get to the root of each topics. This…
-
MCQ Questions for ICSE Class 10 Physics Chapter 9 Electric Power and Household Circuit
Last modified on:4 years agoReading Time:5MinutesMCQ Questions for ICSE Class 10 Physics Chapter 9 Electric Power and Household Circuit Here we are providing MCQ Questions for ICSE Class 10 Physics Chapter 9 Electric Power and Household Circuit. This covers questions from the entire chapter. Practicing these questions will help students to get to the root of each topics.…
