Pallavi posted an Question
December 11, 2019 • 01:03 am 15 points
  • CSIR NET
  • Earth Sciences

A planet of 70,000 km radius exhibits a magnetic field of 4.2 Oe at its equator. What is the rate of decrease of its magnetic field (in gammas/m) On its surface

A planet of 70,000 km radius exhibits a magnetic field of 4.2 Oe at its equator. What is the rate of decrease of its magnetic field (in gammas/m) On its surface at the location of magnetic latitude cos1 [V3/41? (1) (3) 08. 20.5 (2) (4) 4.50 0.125 0.0225

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    Eduncle Best Answer

    Dear Pallavi,

    Greetings!!

    Ans (2) 4.50 is correct.

    Latitude position is 30cos(30º), so magnetic intensity will increase from equator towards the pole. Magnetic intensity is minimum at equator and maximum at poles.

    Thank you for asking your query.

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