Two long thin wires ABC and DEF are arranged as shown in Fig. They carry equal currents I as shown. The magnitude of the magnetic field at O is

Two long thin wires ABC and DEF are arranged as shown in Fig. They carry equal currents I as shown. The magnitude of the magnetic field at O is
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Two long thin wires ABC and DEF are arranged as shown in Fig. They carry equal currents I as shown. The ... `(mu_(0)I)/(2sqrt(2)pir)` D. zero
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