Biot savart's law

Biot savart's law

Introduction: We know that a current-carrying conductor develops a magnetic field around it. In order to obtain the magnitude of this magnetic field at any point in the magnetic field region, Biot savart's gave its law of magnetic induction. Let us understand this in detail.

Biot Savart's Law

Biot savart's law

The magnitude of the magnetic field at a point is directly proportional to the current flowing through the conductor.

dB ∝ I ----(1)

The magnitude of the magnetic field at a point is directly proportional to the current element.

dB ∝ dl ----(2)

The magnitude of the magnetic field at a point is directly proportional to the sine of the angle between the current element ad the point where field intensity is to be determined.

dB ∝ sin𝜭 ----(3)

The magnitude of the magnetic field at a point is inversely proportional to the square of the distance between the current element and the point where the magnetic field is to be determined.

dB ∝ 1/ r² ----(4)

From (1) (2) (3) (4) 

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Related topics: Lorentz force   Force on a straight wire     Force on a arbitrary shaped wire     Cyclotron    Cyclotron accelerator   Helix   Torque due to magnetic field     Moving coil galvanometer    Biot-Savart's law    Magnetic field due to straight wire    Forces between parallel Conductors     Magnetic field due to Circular arc   magnetic field due to Circular Loop   Magnetic field on axis of a circle    Circle as a dipole   Ampere's law    Magnetic field due to solenoid    Magnetic field due to Toroid.