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 Science Chapter 12 Reproduction in Plants
Last modified on:3 years agoReading Time:13Minutes[Download] Assertion Reason Questions for Class 7 Science Chapter 12 Reproduction in Plants Here we are providing assertion reason questions for Chapter 12 Reproduction in Plants. 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…
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Assertion Reason Questions for Class 7 Science Chapter 11 Transportation in Animals and Plants
Last modified on:2 years agoReading Time:15Minutes[Download] Assertion Reason Questions for Class 7 Science Chapter 11 Transportation in Animals and Plants Here we are providing assertion reason questions for Chapter 11 Transportation in Animals and Plants. Directions: The question below consists of an assertion and a Reason. Use the following key to choose the appropriate answer.(a) Both…
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Assertion Reason Questions for Class 6 Science Chapter 14 Water
Last modified on:3 years agoReading Time:13Minutes[Download] Assertion Reason Questions for Class 6 Science Chapter 14 Water Here we are providing assertion reason questions for Class 6 Science Chapter 14 Water. 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 true…
