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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Reynolds Number
Last modified on:3 years agoReading Time:10MinutesWhat is Reynolds Number? The Reynolds number (Re) is a dimensionless parameter used in fluid mechanics to characterize the flow of a fluid (liquid or gas) around an object or through a conduit. It relates the inertial forces to the viscous forces in the fluid and helps determine the type of…
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Current Challenges Facing Indian Economy Assertion Reason Questions for Class 12 Economics Chapter 7
Last modified on:3 years agoReading Time:16Minutes [PDF] Download Current Challenges Facing Indian Economy Assertion Reason Questions for Class 12 Economics Chapter 7 Here you will find assertion reason questions for class 12 economics. Chapterwise Assertion Reason Questions with Answers for Class 12 Economics are provided below. Go through them to increase your chances of scoring top…
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Case Study Questions for CBSE Class 12 Political Science
Last modified on:2 years agoReading Time:9Minutes Board CBSE Useful for Class 12 Students Stream Arts/Humanities Subject Political Science Question Type Case Study Questions With Answers Yes Case Study Questions for CBSE Class 12 Political Science Taking a close look at the CBSE Sample Papers and Marking Scheme, we have pointed out the important topics for CBSE…
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Web Application Development Assertion Reason Questions for Class 12 Informatics Practices
Last modified on:3 years agoReading Time:14Minutes Assertion Reason Questions for Class 12 Informatics Practices Web Application Development Here we are providing assertion reason questions for class 12 informatics practices. Chapterwise assertion reason questions with answers provided below. Students are suggested to solve the questions by themselves first and then check the answers for reference. Web Application…
