The needle of a deflection magnetometer deflects through 45 from north to south when the instrument...
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The needle of a deflection magnetometer deflects through 45 from north to south when the instrument is used in Tan-A position with a magnet of length 10 cm placed at a distance of 25 cm. (a) Find the magnetic moment of the magnet if the earth's horizontal magnetic field is 20 T. (b) If the magnetometer is used in Tan-B position with the same magnet at the same separation from the needle, what will be the deflection ? The needle of a deflection magnetometer deflects through 45 from north to south when the instrument is used in Tan-A position with a magnet of length 10 cm placed at a distance of 25 cm. (a) Find the magnetic moment of the magnet if the earth's horizontal magnetic field is 20 T. (b) If the magnetometer is used in Tan-B position with the same magnet at the same separation from the needle, what will be the deflection ?
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