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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MCQ Questions for CBSE Class 12 English Flamingo Chapter 2 Lost Spring
Last modified on:3 years agoReading Time:18MinutesIn this article, we are providing MCQ Questions for CBSE Class 12 English. MCQ Questions for CBSE Class 12 English Flamingo Chapter 2 Lost Spring Here we are providing MCQ Questions for CBSE Class 12 English Flamingo. In this article, you will find MCQ Questions for Class 12 English Chapter 2…
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MCQ Questions for CBSE Class 12 English Flamingo Chapter 1 The Last Lesson
Last modified on:3 years agoReading Time:12MinutesIn this article, we are providing MCQ Questions for CBSE Class 12 English. MCQ Questions for CBSE Class 12 English Flamingo Chapter 1 The Last Lesson Here we are providing MCQ Questions for CBSE Class 12 English Flamingo. In this article, you will find MCQ Questions for Class 12 English Chapter…
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MCQ Questions for Class 8 Science Chapter 13 Sound
Last modified on:3 years agoReading Time:16MinutesMCQ Questions for Class 8 Science Chapter 13 Sound Here we are providing mcq questions for class 8 science. In this article, we are covering Class 8 Science Chapter 13 Sound. Question 1.The hearing range of human ear is(a) 20 Hz to 20,000 Hz(b) less than 20 Hz(c) more than 20,000…
