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Which one of the following is NOT a unit of magnetic field strength?

June 1, 2025 by rawan239

Which one of the following is NOT a unit of magnetic field strength?

Tesla

Gauss

Ampere - metre

Ampere/metre

This question was previously asked in

UPSC Geoscientist – 2020

Download PDF Attempt Online

Ampere – metre (A·m) is NOT a unit of magnetic field strength.

Magnetic field strength can refer to magnetic flux density (B), measured in Tesla (T) or Gauss (G), or magnetic field intensity (H), measured in Amperes per metre (A/m). Ampere – metre (A·m) is the unit for magnetic dipole moment.

Tesla (T) is the SI unit for magnetic flux density (B). Gauss (G) is the CGS unit for magnetic flux density (1 T = 10^4 G). Ampere/metre (A/m) is the SI unit for magnetic field intensity (H). Magnetic field strength (H) and magnetic flux density (B) are related by the magnetic permeability of the medium ($B = \mu H$). Magnetic dipole moment (m) is a measure of the magnetic strength and orientation of a magnet or magnetic source.

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