A wire carrying a. Current I splits into two channels of resistance R1 and R2, r

Question

A wire carrying a. Current I splits into two channels of resistance R1 and R2, respectively, forming a circuit. The wire enters the space between the two poles of a magnet with a uniform magnetic field that runs from one poie uiece to the other (Fig. 28-41. see next page). The circuit fonns a loop; the field lies in the plane of the loop. What is the torque on the circuit about the wire axis, given that the wires are a distance d apart and that the length to the split is L? The Effect of Magnetic fields

Explanation / Answer

torque T = Ni (Area)B sin ? T = N i (L*d) B sin? here ? = 90 as it is perpendicular and for N =1 torque T = i(Ld)B

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