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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[PDF] Download 100 Important Numericals for CBSE Class 9 Physics
Last modified on:2 years agoReading Time:4Minutes [PDF] Download 100 Important Numericals for CBSE Class 9 Physics Welcome to the world of CBSE Class 9 Physics, where the journey to understanding the fundamental principles of the universe begins. As you embark on this exciting academic adventure, mastering numerical problems is key to grasping the core concepts and…
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Case Study Questions for Class 9 Maths Chapter 12 Herons Formula
Last modified on:2 years agoReading Time:1MinuteCase Study Questions for Class 9 Maths Chapter 12 Herons Formula Here we are providing case study questions for Class 9 Maths Chapter 12 Herons Formula. Students are suggested to solve the questions by themselves first and then check the answers. This will help students to check their grasp on this…
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Case Study Questions for Class 9 Maths Chapter 9 Areas of Parallelograms and Triangles
Last modified on:2 years agoReading Time:1MinuteCase Study Questions for Class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Here we are providing case study questions for Class 9 Maths Chapter 9 Areas of Parallelograms and Triangles. Students are suggested to solve the questions by themselves first and then check the answers. This will help students…
