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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NCERT Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.2
Last modified on:5 years agoReading Time:6MinutesNCERT Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.2 are part of NCERT Solutions for Class 9 Maths. Here we have given NCERT Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.2. Number Systems Class 9 Ex 1.1 Number Systems Class 9 Ex 1.2 Number Systems Class…
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NCERT Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.1
Last modified on:5 years agoReading Time:4MinutesNCERT Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.1 are part of NCERT Solutions for Class 9 Maths. Here we have given NCERT Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.1. Number Systems Class 9 Ex 1.1 Number Systems Class 9 Ex 1.2 Number Systems Class…
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Important Questions Class 12 Chemistry Chapter 8 The d and f Block Elements 1 Mark Questions
Last modified on:5 years agoReading Time:5Minutes 1. Zinc, cadmium and mercury are not considered as transition metals. Why? Ans. Zinc, cadmium and mercury have fully filled configuration. Therefore they are not considered as transition metal. 2. Write the general configuration of d- block elements. Ans. General electronic configuration of d- block elements is. 3. What are the factors that…
