A rectangular current carrying conductor EFGH is shown in the figure w – InterviewSolution

1.	A rectangular current carrying conductor EFGH is shown in the figure which is kept in a uniform magnetic field.(a) What is the direction of magnetic torque?(b) When the working torque on the conductor is:(i) maximum?(ii) zero?
Answer» (a) According to right hand rule, the direction of magnetic moment will be perpendicular to plane of paper inwards. (b) (i) When θ = 90°, then τ_max = NIABsin90° τ_max = NIAB (ii) When θ = 0° τ_min = 0

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