Questions
What will be the resultant magnetic field at origin due to four infinite length wires if each wire produces magnetic field B at origin?
detailed solution
Correct option is C
Direction of magnetic field (B1, B2, B3 and B4) at origin due to wires 1, 2, 3 and 4 are shown in the following figure. B1=B2=B3=B4=μ04π⋅2ix=B. So, net magnetic field at origin O Bnet =B1+B32+B2+B42=(2B)2+(2B)2=22BTalk to our academic expert!
Similar Questions
Four long insulated current carrying wires, cross each other as shown in the figure. If the separation between any pair of parallel wires is d, the magnetic induction at O is
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