a) Determine the magnetic field created by four-point charges Q placed at each vertex of a square of side a, at any position on the axis that passes through the centre of the square, and perpendicular to it. B. M(x) b) The vector potential of a magnetic field is given by Å = î+

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a) Determine the magnetic field created by four-point charges Q
placed at each vertex of a square of side a, at any position on
the axis that passes through the centre of the square, and
perpendicular to it.
A
B.
M(x)
b) The vector potential of a magnetic field is given by Å = 8 +
exp(-z) ý, where a is a constant. Determine the
corresponding magnetic field.
Transcribed Image Text:a) Determine the magnetic field created by four-point charges Q placed at each vertex of a square of side a, at any position on the axis that passes through the centre of the square, and perpendicular to it. A B. M(x) b) The vector potential of a magnetic field is given by Å = 8 + exp(-z) ý, where a is a constant. Determine the corresponding magnetic field.
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