A compass needle free to turn in a horizontal plane is placed at the centre of...
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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 45 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 the earth's magnetic field at the location. The current in the coil is reversed, and the coil is rotated about its vertical axis by an angle of 90 in the anticlockwise sense looking from above. Predict the direction of the needle. Take the magnetic declination at the places to be zero. 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 45 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 the earth's magnetic field at the location. The current in the coil is reversed, and the coil is rotated about its vertical axis by an angle of 90 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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Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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