Q7 of 54 Page 276

Magnetic meridian is

Magnetic meridian at a place can be defined as a vertical plane passing through the axis of a freely suspended magnet. It is neither a plane nor a point.

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Let r be the distance of a point on the axis of a magnetic dipole from its centre. The magnetic field at such a point is proportional to

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Two short magnets of equal dipole moments M are fastened perpendicularly at their centres figure. The magnitude of the magnetic field at a distance d from the centre on the bisector of the right angle is


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A compass needle which is allowed to move in a horizontal plane is taken to a geomagnetic pole. It

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A dip circle is taken to geomagnetic equator. The needle is allowed to move in vertical plane perpendicular to the magnetic meridian. The needle will stay