Magnetic Field of Long Conductor Calculator

The magnetic field around a long straight conductor is a classic application of Ampere’s circuital law and a commonly tested topic in electromagnetics.

Magnetic field Calculator

EXAMPLE:

INPUTS:

• Wire Current = 10 Amperes
• Distance (r) = 5 cm

OUTPUT:

• Magnetic Field = 0.00004 Tesla

Constant:

• Permeability = 4 . Pi . 10^-7

Magnetic Field of Long Conductor Formula

The magnetic field (B) produced by an infinitely long straight conductor carrying a steady current (I) at perpendicular distance (r) from its center can be calculated using the formula derived from Ampère’s Law as follows.

Summary: This calculator simplifies magnetic field calculations and enhances conceptual clarity, making it ideal for exam oriented practice.