Refraction and reflection of plane wave by Huygen’s theory
Refraction of plane waves using Huygens’s theory Let PP ‘is the surface separating mediums 1 and 2 and V1 and V2 are the time taken to cover the distance between…
Refraction of plane waves using Huygens’s theory Let PP ‘is the surface separating mediums 1 and 2 and V1 and V2 are the time taken to cover the distance between…
Magnetic lines of force Magnetic lines of force are imaginary lines that show the direction of the magnetic field. Properties of magnetic lines of force Magnetic lines of force always…
Magnetic field The field around a magnet in which a magnetic needle is subjected to a torque, causing it to rotate and stay in a fixed direction. The direction of…
Electric circuit An electrical circuit is a closed, continuous path through which electric current can flow. In a complete electrical circuit, electricity flows from a power source, such as a…
Series circuit In this type of combination, the negative pole of one cell and the positive pole of the other, the negative pole of the second and the positive pole…
Principle According to this principle, If four resistances are connected in series and represented by the four sides of a parallelogram and one diagonal of the quadrilateral is connected to…
Kirchhoff’s law He has two rules. 1. Junction rule or Kirchhoff’s current law (KCL) According to this rule, the value of the current coming at a junction is equal to…
It is represented by ρ. When electric current is impressed in conductor, then ratio of current density i in a conductor and intensity of the electric field is called the…
Ohm’s law According to this law, If there is no change in the physical state of a conductor, then the ratio of the electric potential difference applied at its ends…
Electric current If q charge flows in a circuit in time t, then electric current flowing in circuit is__ i = q/t Ampere When, t = 1 sec i =…