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If alpha -particle (""(2)He^4) is revolv...

If `alpha `-particle `(""_(2)He^4)` is revolving in a circular orbit of radius 3.14 A with speed of `8 xx 10^6 m/s`. Then the equivalent current is

A

`6. 4 xx 10^(-12) A `

B

`12.8 xx 10^(-4)A`

C

` 12 .8 10^(-16 )A`

D

`6.4 xx 10^(-9)A `

Text Solution

Verified by Experts

The correct Answer is:
B
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