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a physicist works in a laboratory where the magnetic field is `2T`. She wears a necklace enclosing of an area `100 cm^(2)` of field and having a resistance of `0.1 Omega`. Because of power failure, the field decays to `1 T` in millisecond. The electric charge circulated in the necklace assuming that the magnetic field is perpendicular to area covered by the necklace is

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A physicist works in a laboratory where the magnetic field is 2T . 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=0.01Omega . Because of power failure, the field decays to 1T in time 10^(-3) seconds. The what is the total heat produced in her necklace? (T=tesla)

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