A short bar magnet is oscillating in a magnetic field and its time period is 2 seconds . If another piece of brass of double moment of inertia be placed over that magnet the time period of that combination in that field is
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A short bar magnet is oscillating in a magnetic field and its time period is 2 seconds . If another piece of brass of double moment of inertia be placed over that magnet the time period of that combination in that field is