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In an orbit of radius 0.5 A^(0) an elect...

In an orbit of radius `0.5 A^(0)` an electron revolves with a frequency of `6.25 xx 10^(15)` Hz. The magnetic induction field at its centre is

A

4`pi` tesla

B

`2pi` tesla

C

4 tesla

D

2 tesla

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The correct Answer is:
A
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-II
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