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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Conductors and Insulators
Last modified on:4 years agoReading Time:2MinutesConductors and Insulators Solids are mainly classified into two groups, conductors and insulators. In conductors, electric charges are free to move from one place to another, whereas in insulators they are tightly bound to their respective atoms. In an uncharged body, there are equal number of positive and negative charges. The…
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Electric Field Due to a Point Charge
Last modified on:3 years agoReading Time:1MinuteElectric Field Due to a Point Charge The electric field produced by a point charge q can be obtained in general terms from Coulomb’s law.First note that the magnitude of the force exerted by the charge q on a test charge q0 is then divide this value by q0 to obtain…
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Electric Field Due to a Charged Ring
Last modified on:3 years agoReading Time:4MinutesElectric Field Due to a Charged Ring A conducting ring of radius R has a total charge q uniformly distributed over its circumference. We are interested in finding the electric field at point P that lies on the axis of the ring at a distance x from its centre. We divide…
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Case Study Questions for Class 11 Chemistry Chapter 9 Hydrogen
Last modified on:3 years agoReading Time:4Minutes Case Study Questions for Class 11 Chemistry Chapter 9 Hydrogen Case Study/Passage Based Questions: Question 1: Read the passage carefully and answer the questions given below. Depletion of resources of fossil fuels will at some future time make hydrogen, either for use directly by combustion and electrochemically in fuel cells…
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Assertion and Reason Questions for Class 11 Chemistry Chapter 12 Organic Chemistry – Some Basic Principles & Techniques
Last modified on:5 months agoReading Time:5MinutesAssertion and Reason Questions for Class 11 Chemistry Chapter 12 Organic Chemistry – Some Basic Principles & Techniques 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…
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Assertion and Reason Questions for Class 11 Chemistry Chapter 8 Redox Reactions
Last modified on:5 months agoReading Time:3MinutesAssertion and Reason Questions for Class 11 Chemistry Chapter 8 Redox Reactions 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…
