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A proton is rotating along a circular p...

A proton is rotating along a circular path with kinetic energy K in a uniform magnetic field B. If the magnetic is made four times, the kinetic energy of rotation of proton is

A

`16K`

B

`8K`

C

`4K`

D

`K`

Text Solution

Verified by Experts

The correct Answer is:
4
`E=(Q^(2)B^(2)R^(2))/(2m)`
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