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CBSE - XII Science - Physics - Magnetism and Matter

Explain the definitions of magnetic declination,magnetic dip and horizontal component of earth's magnetic field?

Asked by shrijeet 23rd February 2013, 2:17 AM
Answered by Expert

Answer:

Elements of the earths magnetic field are:
1.  Magnetic declination (?): At a point on earth the magnetic meridian makes an angle with the geographic meridian. This angle is known as the magnetic declination or just declination.
2.  Angle of dip (?): It is the angle made by the direction of the earths total magnetic field with the horizontal direction.
3.  Horizontal component of earths magnetic field (BH): It is the component of earths magnetic field along the horizontal direction.
So the angle of dip is the angle between earths magnetic field i.e. B and the horizontal component i.e. BH.
Answered by Expert 23rd February 2013, 2:25 AM

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