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2. Orders of magnitude (magnetic field) - Wikipedia

   en.wikipedia.org/wiki/Orders_of_magnitude...

   Magnetic induction B (also known as magnetic flux density) has the SI unit tesla [T or Wb/m 2]. [1] One tesla is equal to 10 4 gauss. Magnetic field drops off as the inverse cube of the distance (⁠ 1 / distance 3⁠) from a dipole source. Energy required to produce laboratory magnetic fields increases with the square of magnetic field.

3. Gauss (unit) - Wikipedia

   en.wikipedia.org/wiki/Gauss_(unit)

   The gauss is the unit of magnetic flux density B in the system of Gaussian units and is equal to Mx /cm 2 or g / Bi /s 2, while the oersted is the unit of H -field. One tesla (T) corresponds to 10 4 gauss, and one ampere (A) per metre corresponds to 4π × 10 −3 oersted. The units for magnetic flux Φ, which is the integral of magnetic B ...

4. Oersted - Wikipedia

   en.wikipedia.org/wiki/Oersted

   Definition. Cassette tape label with coercivity (a measure of the external magnetic flux required to magnetize the tape) measured in oersteds. The oersted is defined as a dyne per unit pole. [clarification needed][6] The oersted is ⁠ 1000 4π ⁠ (≈79.5775) amperes per meter, in terms of SI units. [7][8][9][10] The H-field strength inside a ...

5. Earth's magnetic field - Wikipedia

   en.wikipedia.org/wiki/Earth's_magnetic_field

   Earth's magnetic field

6. Maxwell's equations - Wikipedia

   en.wikipedia.org/wiki/Maxwell's_equations

   Maxwell's equations

7. Oersted's law - Wikipedia

   en.wikipedia.org/wiki/Oersted's_law

   Oersted's law