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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Conceptual Questions Based on Class 12 Physics Magnetism and Matter
Last modified on:4 years agoReading Time:7MinutesConceptual Questions Based on Class 12 Physics Magnetism and Matter Q.1. Does a magnetic monopole exist? Justify your answer. How magnetic field is produced? Solution. No, a magnetic monopole does not exist. The reason is that a magnetic field is produced by a current loop and not by monopole of a…
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Conceptual Questions Based on Class 12 Physics Alternating Current
Last modified on:4 years agoReading Time:11MinutesConceptual Questions Based on Alternating Current Q.1. Why a d.c. voltmeter and d.c. ammeter cannot read a.c.? Solution. The average value of a.c. over a cycle is zero. So, a d.c. voltmeter/ammeter will show zero reading with alternating voltage/current. Q.2. What is meant by the statement that the current through an…
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[PDF] Download Numerical Problems for Class 11 Physics Vectors with Answers
Last modified on:1 year agoReading Time:3MinutesHere we are providing Numerical Problems for Class 11 Physics Vectors. Problems based on all topics of vectors are covered in this package. Problems are classified into topics. So, after completing a particular topic students can solve the problems based on that particular topic to understand the concept well. This will…
