A tiny $0.50\, gm$ ball carries a charge of magnitude $10\, \mu C$. It is suspended by a thread in a downward electric field of intensity $300\, N/C$. If the charge on the ball is positive, then the tension in the string is
A tiny $0.50\, gm$ ball carries a charge of magnitude $10\, \mu C$. It is suspended by a thread in a downward electric field of intensity $300\, N/C$. If the charge on the ball is positive, then the tension in the string is
- A
$5 \times {10^{ - 3}}\,N$
- B
$8 \times {10^{ - 3}}\,N$
- C
$2 \times {10^{ - 3}}\,N$
- D
Zero
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