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382. assignment (torque on a current loop)

A rectangular loop has 85 turns with an area of 0.225 m^2 and lies in a uniform magnetic field of 0.28 T. Several Physics lab students have reported that the maximum torque exerted on this loop is 1.2 x 10^-2 Nm.

(i) What is the current in the coil?

(ii) If instead, all 85 turns are unwound and form a rectangle with the same shape (but obviously much larger) , would the value of the current be LARGER, SMALLER, or THE SAME?

(iii) Calculate the value of the current in this case to confirm your answer above.

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