CBSE Class-1 Physics Electric Charges and Fields Revision

<p>Radially inwards</p> Signup and view all the answers

<p>Conductivity</p> Signup and view all the answers

<p>The relationship is given by the equation $E = \frac{1}{4\pi\varepsilon_0} \frac{q}{r^2}$, where $E$ is the electric field, $\varepsilon_0$ is the vacuum permittivity, $q$ is the charge, and $r$ is the distance from the charge.</p> Signup and view all the answers

<p>The quantization of electric charge means that the total charge (q) of a body is always an integral multiple of a basic quantum of charge (e), given by the equation $q = ne$, where $n = 0, \pm1, \pm2, \pm3, \ldots$</p> Signup and view all the answers

<p>Coulomb's Law states that the mutual electrostatic force between two point charges $q_1$ and $q_2$ is proportional to the product $q_1q_2$ and inversely proportional to the square of the distance $r_{12}$ separating them. The factors affecting the force are the magnitudes of the charges and the distance between them.</p> Signup and view all the answers

<p>The Superposition Principle states that the properties of forces with which two charges attract or repel each other are not affected by the presence of a third (or more) additional charge(s). In other words, the total force on a charge due to a system of charges is the vector sum of the individual forces exerted on that charge by the other charges in the system.</p> Signup and view all the answers

<p>Conductors allow movement of electric charge through them, while insulators do not. This property is significant in understanding the behavior of electric charges and the formation of electric fields in different materials.</p> Signup and view all the answers