A compass needle, which shows the direction at the earth's magnetic pole is

Vertical

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No particular direction

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Bent at 45

^{0}

to the vertical

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Horizontal

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Solution

The correct option is A Vertical
For a compass to show the direction of magnetic pole moment , they must be placed at ether of the $2$ geographic poles . It is because the direction of magnetic moment is from south to north pole.
The compass therefore will be vertical at both the poles.

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Similar questions

Q. The needle of the compass shows north in the direction in which the of earth's magnetic field lies.

Q. In which direction a compass needle kept at a magnetic pole will point.

Q. A compass needle free to turn in a horizontal plane is placed at the centre of a circular coil of

30

turns and radius

12

cm. The coil is in a vertical plane making an angle of

45^{0}

with the magnetic meridian when the current in the coil is

0.35

A, the needle points west to east. Determine the horizontal component of earth's magnetic field at the location.

A compass needle when placed at a magnetic pole stays along:

A compass needle free to turn in a horizontal plane is placed at the centre of circular coil of 30 turns and radius 12 cm. The coil is in a vertical plane making an angle of 45º with the magnetic meridian. When the current in the coil is 0.35 A, the needle points west to east.

(a) Determine the horizontal component of the earth’s magnetic field at the location.

(b) The current in the coil is reversed, and the coil is rotated about its vertical axis by an angle of 90º in the anticlockwise sense looking from above. Predict the direction of the needle. Take the magnetic declination at the places to be zero.

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A compass needle, which shows the direction at the earth's magnetic pole is

The correct option is A VerticalFor a compass to show the direction of magnetic pole moment , they must be placed at ether of the 2 geographic poles . It is because the direction of magnetic moment is from south to north pole. The compass therefore will be vertical at both the poles.

The correct option is A Vertical
For a compass to show the direction of magnetic pole moment , they must be placed at ether of the $2$ geographic poles . It is because the direction of magnetic moment is from south to north pole.
The compass therefore will be vertical at both the poles.