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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Charging of Insulators
Last modified on:4 years agoReading Time:2Minutes 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…
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Charging by Contact
Last modified on:4 years agoReading Time:2Minutes Charging by Contact When a negatively charged ebonite rod is rubbed on a metal object, such as a sphere, some of the excess electrons from the rod are transferred to the sphere. Once the electrons are on the metal sphere, where they can move readily, they repel one another and…
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Charging by Rubbing
Last modified on:4 years agoReading Time:3Minutes Charging by Rubbing The simplest way to charge certain bodies is to rub them against each other. When a glass rod is rubbed with a silk cloth, the glass rod acquires some positive charge and the silk cloth acquires negative charge by the same amount. The explanation of appearance of…
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MCQs (Management of Natural Resources)
Last modified on:5 years agoReading Time:12MinutesQ1. Which of the following is a green house gas? (a) Nitrogen dioxide (b) Sulphur dioxide (c) Carbon dioxide (d) Carbon monoxide Q2. Floods can be prevented by (a) afforestation …
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TEST YOUR SKILLS (Management of Natural Resources)
Last modified on:5 years agoReading Time:3Minutes Q1. The forest is located in a place where villages and tribals are dependent on it. Industrialist is the stakeholder of the forest who is cutting down the trees for profits. What could be the harmful effect of this on forest, local people and environment. Q2. People of locality A…
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Management of Natural Resources (NCERT Questions Solved)
Last modified on:5 years agoReading Time:16Minutes Q1. What changes can you make in your habits to become more environment-friendly? Ans. (i) Do not throw garbage on the road side. (ii) Switch off lights, fans, TV when not required. (iii) Use less water for bathing, washing jobs. …
