An electron revolves in a circle of radius 0.40A with a speed of 105 m/s. The magnitude of the magnetic field, produced at the center of the circular path due to the motion of the electron in Wb/m2 is
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Detailed Solution
Magnetic field at the center of coil, B=μoi2r ⇒B=μoqT2r ⇒B=μoq2πrV2r=μo4πqVr2=10−7 1.6 x 10−19 x 1050.4 x 10−102=1 Wb/m2