Wednesday, 18 December 2013

STORAGE OF CHARGES AND CURRENT

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There are two devices that can be used to store or transfer electric charges, the electrophorus and the capacitor.

Electrophorus: an electrophorus consist of a metal disc fitted in

Tuesday, 17 December 2013

FRICTION AND CHARGE

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Some objects such as glass rods or an ebonite rod acquire the property of being able to attract small pieces of paper after they have been rubbed with another material such as silk or fur. This

INSULATORS AND CONDUCTORS

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 Insulators
In the process of charging by friction we find that one category of materials can be easily charged. Such materials include glass,

HAZARDS OF ELECTROSTATICS

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Lightening
It is common to see flashes of lightning just before and during a thunderstorm. This is because a large quantity of electric charge is built up in heavy thunder clouds. The thunder clouds are