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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Case Study Questions for CBSE Class 11 Political Science Chapter 4 Executive
Last modified on:2 years agoReading Time:8Minutes Case Study Questions for CBSE Class 11 Political Science Chapter 4 Executive Taking a close look at the CBSE Sample Papers and Marking Scheme, we have pointed out the important topics for CBSE case study questions in Class 11 Political Science. This is crucial info for students because it gives…
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Case Study Questions for CBSE Class 11 Political Science Chapter 3 Election and Representation
Last modified on:2 years agoReading Time:7Minutes Case Study Questions for CBSE Class 11 Political Science Chapter 3 Election and Representation Taking a close look at the CBSE Sample Papers and Marking Scheme, we have pointed out the important topics for CBSE case study questions in Class 11 Political Science. This is crucial info for students because…
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Case Study Questions for CBSE Class 11 Political Science Chapter 2 Rights and Duties in the Indian Constitution
Last modified on:2 years agoReading Time:7Minutes Case Study Questions for CBSE Class 11 Political Science Chapter 2 Rights and Duties in the Indian Constitution Taking a close look at the CBSE Sample Papers and Marking Scheme, we have pointed out the important topics for CBSE case study questions in Class 11 Political Science. This is crucial…
