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AP EAMCET202017 Sep 2020Morning ShiftPhysicsMagnetic Properties of MatterActual

Unit of pole strength of a magnet is

Options

  1. A( Am ⁻¹ )
  2. B( Am ^2 )
  3. C( Am ⁻² )
  4. DAm

Correct answer

D. Am

Step-by-step solution

Dipole moment of a magnet, ( array ll & M=I A & 2 m l=I A [m= pole strength] array ) ( aligned Unit of pole strength (m) & = Ampere metre ^2 metre = & Am ^2 ~m = Am aligned )

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