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If an electron moves from rest from a po...

If an electron moves from rest from a point at which potential is `50` volt to another point at which potential is `70` volt, then its kinetic energy in the final state will be

A

`3.2xx10j`

B

`3.2xx10j`

C

`32xx10j`

D

`320xx10j`

Text Solution

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The correct Answer is:
B
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