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A 0.50 gm ball carries a charge of magni...

A 0.50 gm ball carries a charge of magnitude `10mu C`. It is suspended by a string in a downward electric field of intensity 300N/C. If the charge on the ball is positive, then the tension in the string is `(g = 10 ms^(-2))`

A

`5 xx 10^(-3)N`

B

`8 xx 10^(-3)N`

C

`2 xx 10^(-3)N`

D

zero

Text Solution

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The correct Answer is:
B
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