Which of the following has no units?
Correct answer: C. Magnetic susceptibility
- A. Permeability
- B. Moment of a magnet
- C. Magnetic susceptibility
- D. Permittivity
Explanation
Magnetic susceptibility is dimensionless because it is the ratio of magnetization to magnetizing field. Permeability and permittivity have units, while magnetic moment has units such as ampere-square metre.
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