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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NCERT Based Notes for Class 7 Science Chapter 15 Light
Last modified on:3 years agoReading Time:3MinutesNCERT Based Notes for Class 7 Science Chapter 15 Light Importance of NCERT Notes for Class 7 NCERT notes for Class 7 are very important for students as they are designed to provide a clear and concise understanding of the concepts covered in each chapter. Here are some of the key…
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NCERT Based Notes for Class 7 Science Chapter 14 Electric Current and Its Effects
Last modified on:3 years agoReading Time:4MinutesNCERT Based Notes for Class 7 Science Chapter 14 Electric Current and Its Effects Importance of NCERT Notes for Class 7 NCERT notes for Class 7 are very important for students as they are designed to provide a clear and concise understanding of the concepts covered in each chapter. Here are…
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NCERT Based Notes for Class 7 Science Chapter 13 Motion and Time
Last modified on:3 years agoReading Time:4MinutesNCERT Based Notes for Class 7 Science Chapter 13 Motion and Time Importance of NCERT Notes for Class 7 NCERT notes for Class 7 are very important for students as they are designed to provide a clear and concise understanding of the concepts covered in each chapter. Here are some of…
