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Answer the question regarding earth's magnetism:
A vector needs three quantities for its specification. Name the three independent quantities conventionally used to specify the earth's magnetic field.

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Answer the following questions regarding earth's magnetism : (a) A vector needs three quantities for its specification. Name the three independent quantities conventionally used to specify the earth's magnetic field.

Name the elements of the earth's magnetic field.

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Answer the question regarding earth's magnetism: In which direction would a compass free to move in the vertical plane point to, if located right on the geomagnetic north or south pole?

Answer the following questions regarding earth's magnetism : (f) Geologists claim that besides the main magnetic N-S poles, there are several local poles on the earth's surface oriented in different directions. How is such a thing possible at all ?

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Answer the question regarding earth's magnetism: The angle of dip at a location in southern India is about 18^@. Would you expect a greater or smaller dip angle in Britain?

Answer the following questions regarding earth's magnetism : (d) In which direction would a compass free to move in the vertical plane point to, if located right on the geomagnetic north or south pole?

Answer the question regarding earth's magnetism: The earth's field, it is claimed, roughly approximates the field due to a dipole of magnetic moment 8 xx 10^(22) JT^(-1) located at its centre. Check the order of magnitude of this number in some way.

Answer the following questions regarding earth's magnetism : (b) The angle of dip at a location in southern India is about 18°. Would you expect a greater or smaller dip angle in Britain ?

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