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Find the magnitude and direction of an e...

Find the magnitude and direction of an electric field that will balance an alpha particle. The mass and charge of a proton are `1.67 xx 10^(-27) kg` and `1.67 xx 10^(-19) C` (take g = `9.9 ms^(-2)`) :

A

`2 xx 10^(-7) N//C`, vertically downwards

B

`2 xx 10^(-7) N//S`, vertically downwards

C

`6 xx 10^(-4) N//C`, vertically downwards

D

`6 xx 10^(-4) N//c`, vertically upwards

Text Solution

Verified by Experts

The correct Answer is:
B
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