The pole strength of a 12cm long bar mag...

The pole strength of a 12cm long bar magnet is 20Am. The magnetic induction at a point 10cm away from the centre of the magnet on its axial line is

10T south and ST west

5T south and 10T west

20T south and 10T west

10T south and 20T west

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AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (MAGNETISM AND MATTER )

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