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Two equal electric currents are flowing perpendicular to each other as shown in the figure. AB and CD are perpendicular to each other and symmetrically placed with respect to the current flow. Where do we expect the resultant magnetic field to be zero? (a) on AB (b) on CD (c) on both AB and CD (d) on both OD and BO



Two equal electric currents are flowing perpendicular to each other as shown in the figure. AB and CD are perpendicular to each other and symmetrically placed with respect to the current flow. Where do we expect the resultant magnetic field to be zero?



        (a)    on AB


(b)    on CD


(c)    on both AB and CD


(d)    on both OD and BO


Grade:upto college level

1 Answers

Kevin Nash
askIITians Faculty 332 Points
7 years ago

(a)

 

Net magnetic field on AB is zero because magnetic field due to both current carrying wires is equal in magnitude but opposite in direction.

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