uppose we have to calculate the modulus of the magnetic field using biot-savart at the point a, suppose the wire is infinite. see image The second image shows the answer, the question is: Why the R(distance from the wire to the point) is the same in the two expressions for the two parts of the infinite wire, and in the part of the semi circular region? Should not R be different for the infinite wires, considering th
uppose we have to calculate the modulus of the magnetic field using biot-savart at the point a, suppose the wire is infinite. see image The second image shows the answer, the question is: Why the R(distance from the wire to the point) is the same in the two expressions for the two parts of the infinite wire, and in the part of the semi circular region? Should not R be different for the infinite wires, considering th
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Suppose we have to calculate the modulus of the magnetic field using biot-savart at the point a, suppose the wire is infinite. see image
The second image shows the answer, the question is:
Why the R(distance from the wire to the point) is the same in the two expressions for the two parts of the infinite wire, and in the part of the semi circular region?
Should not R be different for the infinite wires, considering the distance to the point varies?
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