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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COULOMB’S LAW
Last modified on:3 years agoReading Time:18MinutesCOULOMB’S LAW: Two point electric charges q1 and q2 at rest, separated by a distance r exert a force on each other whose magnitude is given by If between the two charges there is free space then Where ε0 is the absolute electric permittivity of the free space and ε0 =…
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If we comb our hair on a dry day and bring the comb near small pieces of paper, the comb attracts the pieces, why?
Last modified on:4 years agoReading Time:2Minutes If we comb our hair on a dry day and bring the comb near small pieces of paper, the comb attracts the pieces, why? Answer: This is an example of frictional electricity and induction. When we comb our hair, it gets positively charged by rubbing. When the comb is brought…
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Can two similarly charged bodies attract each other?
Last modified on:4 years agoReading Time:1Minute Yes, when the charge on one body Q is much greater than that on the other q and they are close enough to each other so that force of attraction between Q and induced charge on the other exceeds the force of repulsion between Q and q. However, two similar…
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Reasoning Based Questions for Class 12 Organic Chemistry
Last modified on:3 years agoReading Time:10Minutes[PDF] Download Reasoning Based Questions for Class 12 Organic Chemistry What is Reasoning Based Question in Class 12 Organic Chemistry? Reasoning based questions in CBSE class 12 Chemistry are questions that require students to use their understanding of chemical concepts and principles to explain or predict a chemical phenomenon or behavior.…
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MCQ Questions for Class 10 Maths Chapter 14 Statistics
Last modified on:3 years agoReading Time:15Minutes[PDF] Download MCQ Questions for Class 10 Maths Chapter 14 Statistics Here we are providing Latest MCQ Questions for Class 10 Maths. In this article, we are covering MCQ Questions for Class 10 Maths Chapter 14 Statistics. Students are suggested to go through each question to understand the concept well. Chapters…
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NCERT Solutions for Class 10 Maths
Last modified on:3 years agoReading Time:19Minutes[PDF] Download NCERT Solutions for Class 10 Maths NCERT solutions for class 10 maths are essential for students who are preparing for their board exams or any other competitive exams. Here are some reasons why NCERT solutions for class 10 maths are important: In conclusion, NCERT solutions for class 10 maths…
