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According to the centimeter gram second system of units ( cgs ), the gauss is the unit of magnetic field B and the equivalent of esu / cm ^ 2, while the oersted is the unit of magnetizing field H. One tesla is equal to 10 < sup > 4 </ sup > gauss, and one ampere per meter is equal to 4π × 10 < sup >− 3 </ sup > oersted.

1.863 seconds.