Calculate the magnetic induction at a point 1 away from a proton, measured along its axis of spin. The magnetic moment of the proton is `1.4xx10^(-26)A-m^(2)`
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Ont the axis of a magnetic dipole, magnetic induction is given by `" " B=(mu_(0))/(4pi), (2M)/(r^(2))` Substituting the values, we get `" " B=(10^(-7)-(2)(1.4xx10^(-26)))/((10^(-10))^(3))=2.8xx10^(-3) T=2.8mT`
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