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An electron moves in a circular orbit wi...

An electron moves in a circular orbit with a uniform speed v. it produces a magnetic field B at the centre of the circle. The radius of the circle proportionate to

A

`sqrt(B/v)`

B

`B/v`

C

`sqrt(v/B)`

D

`v/B`

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The correct Answer is:
C
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-IA
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  17. When a positively charged particle enters a uniform magnetic field wit...

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  18. A charged particle goes undeflected in a region containing electric a...

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