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Calculate the magnetic induction (or mag...

Calculate the magnetic induction (or magnetic field) at a point 1A away from a proton, measured along its ais of spin. The magnetic moment of the proton is `1.4xx10^-26A-m^2`

Text Solution

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On the axis of a magnetic dipole, magnetic induction is given by
`B=(mu_(0))/(4pi).(2M)/r^3`
Substituting the values, we get
`B=((10^-7)(2)(1.4xx10^-26))/((10^-10)^3)`
`2.8xx10^-3T`
`=2.8mT`
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