A short bar magnet of magnetic moment 20Am2 has cross sectional area of 1.5 × 10-4m2. If the intensity of magnetization of the magnet is 105A/m. The length of magnet is
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A short bar magnet of magnetic moment 20Am2 has cross sectional area of 1.5 × 10-4m2. If the intensity of magnetization of the magnet is 105A/m. The length of magnet is