A compass needle oscillates times per minute at a place where the dip is and times per minute where the dip is . The ratio of total magnetic field due to the earth at two places respectively is . The value of is:
NVAMediumJEE Main 2023 · 12 April, Shift 1Magnetic Dipole & Bar Magnet
Physics Question from JEE Main 2023 · 12 April, Shift 1
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