13 In the figure there exists uniform magnetic field B directed into the plane of paper Wire CD is in the shape of an arc and is

Question

13 In the figure there exists uniform magnetic field B directed into the plane of paper Wire CD is in the shape of an arc and is fixed OA and OB are the wires rotating with angular velocity to as shown in figure in same plane as that of arc point O If about at some instant OA OB 1 and each wire makes angle Y axis the current through 30 with 0 resistance R is wires OA and OB have no resistance B 1 A 0 C 1 Bo 2 2R 00 Y R wwww 30 30 O LOBS D Bol2 R Bol2 4R ant velocity A C

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