Electric Charges and Fields

In this topic, we will explore the concept of electric charges. It also explains the like and unlike charges with experiments and examples. It also mentions the gold-leaf electroscope, convention and polarity of the charges in detail.

This topic discusses the positive and negative charges. We will get to learn the differences between the conductors, semiconductors and insulators with examples. It also explains the concept of grounding and electric wiring.

In this topic, we will learn about the methods of charging. Here, it explains charging by induction through simple experiment in detail.

In this topic, we will understand the basic properties of electric charge. It discusses the additivity, conservation and quantization of charges. It also explains the international system of units for the electron in detail.

This topic discusses the Coulomb’s law with formula and definition. It explains the permittivity of free space with SI units. We will learn how Coulomb’s law agrees with Newton’s third law with derivation.

In this topic, we will learn about superposition principle. We will also learn the statement of superposition principle with its applications.

In this topic, we will learn about the electric field, its formula, notation and significance. It discusses the effect of negative and positive charges in the electric field and about the test charge.

This topic explains the electric field line, general properties and simple conformations with examples and figures. We will get to understand the dependence of field lines on the area and solid angle. It also covers the field of a point charge.

In this topic, we will understand the concept of electric flux with unit, definition and example. It explains the use of sign conventions, direction and orientation with figures.

This topic explains the concept of the field of an electric dipole for points on the axis and equatorial plane with figures. It discusses the physical significance of electric dipole.

This topic introduces us to the concept of the dipole in a uniform external field. It also discusses the parallel and antiparallel cases of the electric force on dipole with figures and examples.

In this topic, we will learn about the linear, surface and volume charge densities with definition, formula, units and notation. We will have a deep understanding of concepts related to electric charges and field.

In this topic, we will discuss the concepts of Gauss law with formula and examples. It also explains the Gauss’s law without proof and some important points regarding the concept.

This topic deals with the applications of Gauss’s law in detail. We will also learn the field due to uniformly charged wire, infinite plane sheet, thin spherical shell with examples and figures.