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Which of the quantities : (I) magnetic declination and (II) dip is/are used to determine the strength of earth’s magnetic field at a point on the earth surface ? (a) both I and II (b) neither I nor II (c) I only (d) II only |
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Answer» Correct option (a) both I and II Explanation: When we measure horizontal component of earth’s magnetic field and angle of dip, then the strength of earth’s magnetic field can be found out. |
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