The magnetic field of earth is due to � – McqOptions

MCQOPTIONS

1.	The magnetic field of earth is due to [JIPMER 1997]
A.	Motion and distribution of some material in and outside the earth
B.	Interaction of cosmic rays with the current of earth
C.	A magnetic dipole buried at the centre of the earth
D.	Induction effect of the sun
Answer» B. Interaction of cosmic rays with the current of earth

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