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An alpha-particle is describing a circle...

An `alpha`-particle is describing a circle of radius 0.45 m in a field of magnetic induction `1.2 "weber/m"^(2)`. The potential difference required to accelerate the particle, (The mass of a-particle is `6.8 × 10^(-27)` kg and its charge is `3.2 xx 10^(-19)` coulomb.) will be —

A

`6 xx 10^(6)V`

B

`2.3 xx 10^(-12) V`

C

`7 xx 10^(6)V`

D

`3.2 xx 10^(-12)V`

Text Solution

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The correct Answer is:
C
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