Physics · Magnetic Properties of Materials
Which of the following statements is true about magnetic permeability?
- 1Diamagnetic materials have a relative permeability greater than unity and are strongly repelled by magnetic fields.
- 2Ferromagnetic materials have a relative permeability much greater than unity and are strongly attracted by magnetic fields.✓
- 3Both relative permeability and absolute permeability are dimensionless quantities.
- 4Permeability in a magnetic circuit is analogous to resistivity in an electrical circuit.
Correct answer
Ferromagnetic materials have a relative permeability much greater than unity and are strongly attracted by magnetic fields.
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