مجهول
Electricity has an important place in modern society. It is a controllable
and convenient form of energy for a variety of uses in homes, schools,
hospitals, industries and so on. What constitutes electricity? How does
it flow in an electric circuit? What are the factors that control or regulate
the current through an electric circuit? In this Chapter, we shall attempt
to answer such questions. We shall also discuss the heating effect of
electric current and its applications.
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تعليقات (٣)