An electron revolves around an infinite cylindrical wire having uniform linear charge density 2 x 10 -8 C m -l in circular path under the influence of attractive electrostatic field as shown in the figure. The velocity of electron with which it is revolving is______________x 10 6 m s -1 . Given mass of electron = 9 x 10 -31 kg
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The electric field is given by
The required centripetal force is
The force due to the field is equal to the required centripetal force,
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