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In the previous example find the mass of...

In the previous example find the mass of the wire if the magnetic field is equal to the earth magnetic field `(4 xx 10^(-5) T)`, current in the wire is 5 A and length of the wire is 1m. The wire remains suspended in mid air in equilibrium. (take `g = 10 m//s^(2)`)

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The correct Answer is:
20 mg
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