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 and Reason Questions for Class 11 Chemistry Chapter 14 Environmental Chemistry
Last modified on:5 months agoReading Time:5MinutesAssertion and Reason Questions for Class 11 Chemistry Chapter 14 Environmental Chemistry Directions: (a) Assertion is correct, reason is correct; reason is a correct explanation for assertion.(b) Assertion is correct, reason is correct; reason is not a correct explanation for assertion(c) Assertion is correct, reason is incorrect(d) Assertion is incorrect, reason…
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Assertion and Reason Questions for Class 11 Chemistry Chapter 7 Equilibrium
Last modified on:5 months agoReading Time:3MinutesAssertion and Reason Questions for Class 11 Chemistry Chapter 7 Equilibrium Directions: (a) Assertion is correct, reason is correct; reason is a correct explanation for assertion.(b) Assertion is correct, reason is correct; reason is not a correct explanation for assertion(c) Assertion is correct, reason is incorrect(d) Assertion is incorrect, reason is…
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Assertion Reason Questions for Class 10 Maths Chapter 9 Applications of Trigonometry
Last modified on:3 years agoReading Time:2MinutesAssertion Reason Questions for Class 10 Maths Chapter 9 Applications of Trigonometry Directions: (a) If both Assertion and Reason are correct and Reason isthe correct explanation of Assertion.(b) If both Assertion and Reason are correct, but Reason isnot the correct explanation of Assertion.(c) If Assertion is correct but Reason is incorrect.(d)…
