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A 100 turn rectangular coil ABCD (in XY ...

A 100 turn rectangular coil ABCD (in XY plane) is hung from one arm of a balance (figure). A mass `500g` is added to the other arm to balance the weight of the coil. A current `4*9A` passes through the coil and a constant magnetic field of `0*2T` acting inward (in xz plane) is switched on such that only arm CD of length `1cm` lies in the field. How much additional mass 'm' must be added to regain the balance?

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A 100 turn rectangular coil ABCD (in XY plane) is hung from one arm of a balance Fig. EP 4.23 A mass 500 g is added to the other arm to balance the weight of the coil. A current 4.9 A passes through the coil and a constant magnetic field of 0.2 T acting inward (in xz plane) is switched on such that only arm CD of length 1 cm lies in the field. how much additional mass 'm' must be added to regain the balance?

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