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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Electromagnetic Waves – Concept Booster | Class 12 Physics CBSE
Last modified on:4 months agoReading Time:17Minutes 📖 How to Use This Page Read each concept carefully, then check the formula, common mistake, and exam tip before moving to the next. This page covers Electromagnetic Waves completely for CBSE Class 12 Physics. Key Concepts Class 12 · Physics · Electromagnetic Waves 💡 Electromagnetic Waves Core concepts you…
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Alternating Current – Concept Booster | Class 12 Physics CBSE
Last modified on:4 months agoReading Time:19Minutes 📖 How to Use This Page Read each concept carefully, then check the formula, common mistake, and exam tip before moving to the next. This page covers Alternating Current (AC) completely for CBSE Class 12 Physics. Key Concepts Class 12 · Physics · Alternating Current 💡 Alternating Current Core concepts…
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Electromagnetic Induction – Concept Booster | Class 12 Physics CBSE
Last modified on:4 months agoReading Time:21Minutes 📖 How to Use This Page Read each concept carefully, then check the formula, common mistake, and exam tip before moving to the next. This page covers Electromagnetic Induction (EMI) completely for CBSE Class 12 Physics. Key Concepts Class 12 · Physics · Electromagnetic Induction 💡 Electromagnetic Induction Core concepts…
