The phenomenon we recognize as “static electricity” has been known since ancient times. It was later found that there is a physical quantity known as electric charge that can be transferred from one object to another. Charged objects can exert forces on other charged objects and also on uncharged objects. Finally, electric charge comes in two types, which we choose to call positive charge and negative charge. Substances can be classified in terms of the ease with which charge can move about on their surfaces. Conductors are materials in which charges can move about freely; insulator etc
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Seller Price | GHC 0 |
Added | 25 Mar, 2023 |
University | University of Ghana |
Course | Physics |