Which of the following is responsible fo...

Which of the following is responsible for the earth's magnetic field?

Intensity of cosmic rays is more at the poles than at the equator

Earth is surrounded by an ionosphere

Earth is a planet rotating about the north-south axis

Large quantity of iron ore is found on the earth

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AAKASH INSTITUTE ENGLISH-MAGNETISM AND MATTER -EXERCISE

Two identical bar magnets, each of magnetic moment M, are placed as sh...
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Gauss's law in magnelism ensures that
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Which of the following is responsible for the earth's magnetic field?
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The angle between the magnetic meridian and geographical meridian is c...
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Isogonic lines are the lines joining places of…………………….. .
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The angle of dip at a certain place where the horizontal and vertical...
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A dip circle is placed in geographic meridian at a place where dip and...
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A dip needle in a plane perpendicular to magnetic meridian will remain
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The original value of the angle of dip at a place is 45^(@) what will...
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A dip circle is placed in geographic meridian at a place where dip and...
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The value of apparent angles of dip at two places measured in two mutu...
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A magnetic dipole of magnetic moment 1.44 A m^2 is placed horizontally...
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The time period of a vibration magnetometer is T(0). Its magnet is rep...
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The length of a magnet is large compared to its width and breadth. The...
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A defiection magnetometer works on
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The arms of a deflection magnetometer in tangent B position are placed...
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The deflection magnetometer is most sensitive when the defiection the...
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Two short magnet having magnetic moment in the ratio 27:8, when placed...
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To work with a tangent galvanometer, how do you set its coil?
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What is a reduction factor of tangent galvanometer and its unit of mea...
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