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: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…
-
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…
-
Case Study Questions for Class 10 Maths Chapter 7 Coordinate Geometry
Last modified on:3 years agoReading Time:3MinutesCase Study Questions: Question 1: The top of a table is shown in the figure given below: (i) The coordinates of the points H and G are respectively(a) (1, 5), (5, 1) (b) (0, 5), (5, 0) (c) (1, 5), (5, 0) (d) (5, 1), (1, 5) (ii) The distance between…
-
Case Study Questions for Class 10 Maths Chapter 6 Triangles
Last modified on:3 years agoReading Time:4MinutesCase Study Questions: Question 1: Vijay is trying to find the average height of a tower near his house. He is using the properties of similar triangles. The height of Vijay’s house if 20 m when Vijay’s house casts a shadow 10 m long on the ground. At the same time,…
-
Case Study Questions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables
Last modified on:3 years agoReading Time:5MinutesCase Study Questions for Class 10 Maths Chapter 3 Pair of Linear Equations in Two Variables Case Study Questions Question 1: The scissors which is so common in our daily life use, its blades represent the graph of linear equations. Let the blades of a scissor are represented by the system…
