CBSE Class 10th Physics Ch.11 Electricity || part 1 Charge , Types of Charge||
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 application
Electricity: Electric current, electric circuit, voltage or electric potential, resistance and (Ohm's law). Electric Current: The flow of electric charge is known as Electric Current, Electric current is carried by moving electrons through a conductor.
The physical characteristic of matter that causes it to feel a force when exposed to an electromagnetic field is called electric charge. The two types of electric charges that protons and electrons most frequently carry are positive and negative charges.
What is Electric Charge?
Electric charge is a conserved attribute, meaning that the net charge—that is, the sum of the positive and negative charges in an isolated system—cannot change. Subatomic particles carry an electric charge. In the nuclei of atoms, protons have positive charge and electrons carry negative charge in normal matter. A substance will have a negative charge if it has more electrons than protons, a positive charge if there are fewer, and a neutral charge if there are an equal amount of each. Charge is quantized; it comes in integer multiples of the elementary charge, e, which is approximately 1.602 × 10- 19C.
Electric Charge Definition
The physical characteristic of matter that causes it to feel a force when exposed to an electromagnetic field is called electric charge. Charged material experiences a force when it is exposed to an electromagnetic field due to the physical property of electric charge. You can have a positive or negative electric charge. Unlike charges attract one another while like charges repel one another. Neutral refers to an object that carries no net charge
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