A physicist works in a laboratory where the magnetic field is 2 T. She wears a necklace enclosing area 0.01 m 2 in such a way that the plane of the necklace is normal to the field and is having a resistance R = 0.01 Ω Ω . Because of power failure, the field decays to 1 T in time 10 –3 seconds. Then what is the total heat produced in her necklace? (T = Tesla)
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