Magnetic Units and Conversion Factors

Post author:Dr Sushil Kumar
Post published:12/10/2018
Post category:Class Notes
Post comments:0 Comments
Post last modified:24/11/2019
Reading time:1 min read

In this table, basic physical quantities that are used in magnetic materials are included. The symbol and conversion from one magnetic unit to the other.

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This conversion will be helpful in numerical problems.

Quantity	Symbol	SI Unit	CGS emu Unit	Conversion	Remarks
Magnetic Induction or Magnetic field density	B	Tesla (Wb/m²)	Gauss	1 Wb/m²=10⁴ Gauss
Magnetic field intensity	H	Amp-turn/m	Oersted	1 Amp-turn/m=4π × 10^-7H/m= 1 emu
Magnetization	M	Amp-turn/m	Maxwell/cm²	1 Amp-turn/m=10^-3Max/cm²
Permeability of a vacuum	$\fn_jvn \mu_{0}$	Henry/m	emu	4π×10^-7 H/m=1 emu
Relative permeability	$\fn_jvn \mu_{r}$	unitless	unitless	$\fn_jvn \mu_{r}$ (SI =CGS)
Magnetic Susceptibility	χ	Unitless	Unitless	χ=4π (χ in CGS)

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Tags: magnetic materials, Physics

Dr Sushil Kumar

Dr. Sushil Kumar, a physicist, an eminent researcher and a teacher for the benefit of students and fellow physicists alike. Apni Physics is an effort to create a better platform and also to help the students to be able to have content at their hands whenever they want, online. Dr. Sushil continues to upload his lectures and post articles about latest researches in physics, academic, physics education, and also lessons about daily life and how physics define every aspect of our everyday movement and life.

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