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An electron (mass =9.1xx10^(-31)kg, char...

An electron (mass `=9.1xx10^(-31)kg`, charge `=-1.6xx10^(-19)C`) completes one revolution in `10^(-8)`s in its circular orbit on a plane perpendicular to a uniform magnetic field. Determine the magnetic field.

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`3.57xx10^(-3)T`
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