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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Topicwise Questions and Answers for Class 9 Science Chapter 11 Work and Energy
Last modified on:3 years agoReading Time:4MinutesTopicwise Questions and Answers for Class 9 Science Chapter 11 Work and Energy Here we are providing topicwise questions and answers for cbse class 9 science. In this article, we are covering topicwise questions and answers for class 9 science chapter 11 Work and Energy. Benefits of Topicwise Questions and Answers…
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Topicwise Questions and Answers for Class 9 Science Chapter 2 Is Matter Around Us Pure
Last modified on:3 years agoReading Time:4MinutesTopicwise Questions and Answers for Class 9 Science Chapter 2 Is Matter Around Us Pure Here we are providing topicwise questions and answers for cbse class 9 science. In this article, we are covering topicwise questions and answers for class 9 science chapter 2 Is Matter Around Us Pure. Benefits of…
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Topicwise Questions and Answers for Class 9 Science Chapter 12 Sound
Last modified on:3 years agoReading Time:4MinutesTopicwise Questions and Answers for Class 9 Science Chapter 12 Sound Here we are providing topicwise questions and answers for cbse class 9 science. In this article, we are covering topicwise questions and answers for class 9 science chapter 12 Sound. Benefits of Topicwise Questions and Answers for CBSE Class 9…
