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Find the magnetic field due to a dipole ...

Find the magnetic field due to a dipole of magnetic moment `1.2 A m^2` at a point `1m` away from it in a direction making an angle of `60^@` with the dipole-axis`.

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The magnitude of the field is
`B=(mu_(0)M)/(4pir^(3))sqrt(1+3cos^(2)theta)`
`=(10^(-7)(T-m)/(A))(1.2A-m^(2))/(1m^(2))sqrt(1+3cos^(2)60^(@))`
The direction of the field makes an angle `alpha` with the radial line where
`tanalpha=(tantheta)/(2)=sqrt(3)/(2)`
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