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One end of a 10 cm long skill thread is ...

One end of a 10 cm long skill thread is fixed to a large vertical surface of a charged nonconducting plate and the other end ise fastened to a small ball having a mass of 10 g and a charge of `4.0 xx 10^(-6)C`. In equilibrium, the thread makes an angle of `60^(@)` with the vertical.
Find the tension in the string in equilibrium.

A

0.5 N

B

0.40 N

C

0.10 N

D

0.20 N

Text Solution

Verified by Experts

The correct Answer is:
D
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