Maharashtra State BoardHSC Science (Electronics) 11th
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Choose the correct option. Let r be the distance of a point on the axis of a bar magnet from its center. The magnetic field at r is always proportional to - Physics

MCQ

Choose the correct option.

Let r be the distance of a point on the axis of a bar magnet from its center. The magnetic field at r is always proportional to

Options

  • `1/"r"^2`

  • `1/"r"^3`

  • `1/"r"`

  • not necessarily `1/"r"^3` at all points

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Solution

Let r be the distance of a point on the axis of a bar magnet from its center. The magnetic field at r is always proportional to `1/"r"^3`

Concept: Magnetic Lines of Force and Magnetic Field
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APPEARS IN

Balbharati Physics 11th Standard Maharashtra State Board
Chapter 12 Magnetism
Exercises | Q 1. (i) | Page 227
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