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In a hydrogen atom, an electron moves in a circular orbit of radius 5.2  ×1011m and produces a magnetic induction of 12.56 T at its nucleus. The current produced by the motion of the electron will be Given  μ0=4π  ×  107Wb/Am

a
6.53 × 103 A
b
13.25 × 10−10 A
c
9.6 × 106 A
d
1.04 × 10−3 A

detailed solution

Correct option is D

B  =  μ04π . 2πir  ⇒  12.56 = 10−7  × 2π × i5.2 × 10−11⇒   i=1.04 × 10−3 A

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