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CBSE Class 12-science Answered

a particle having charge 100 times that of an electron is revolving in a circular path of radius 0.8 m with one rotation per second. the magnetic field produced at the centre is
Asked by Shashank Shekhar | 26 Jan, 2012, 09:00: PM
Expert Answer

Here, v=1 rps

R=0.8m

Current due to orbital motion of electron is

I =e/T= ev= 100 x 1.6x 10-19 x1= 1.6 x10-17 A

B= 10-7x 2?I/r

  = 10-7 x2x3.14 x1.6 x10-17/0.8 =12.56 x10-24Wb/m2

Answered by | 27 Jan, 2012, 01:02: AM
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