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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Assertion Reason Questions for Class 7 Maths Chapter 6 The Triangles and Its Properties
Last modified on:3 years agoReading Time:4Minutes[Download] Assertion Reason Questions for Class 7 Maths Chapter 6 The Triangles and Its Properties Here we are providing assertion reason questions for CBSE Class 7 Maths Chapter 6 The Triangles and Its Properties Related Posts What is Assertion Reason Questions for Class 7 Maths? Assertion-reason questions are a type of…
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Editable Study Materials for AFCAT
Last modified on:3 years agoReading Time:9Minutes[Download] Editable Study Materials for AFCAT Greetings to all teachers and coaching institutes! Finding editable study materials specifically tailored for AFCAT might be a bit challenging compared to study materials for boards or other examinations. Here is a great news for you! We are delighted to present our latest offering –…
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Assertion Reason Questions for Class 7 Science Chapter 18 Waste Water Story
Last modified on:3 years agoReading Time:15Minutes[Download] Assertion Reason Questions for Class 7 Science Chapter 18 Waste Water Story Here we are providing assertion reason questions for Chapter 18 Waste Water Story. Directions: The question below consists of an assertion and a Reason. Use the following key to choose the appropriate answer.(a) Both A and R are…
