Electrostatics

Question: Electric charges of \[1\mu C,\, - 1\mu C\] and \[2\mu C\] are placed in air at the corners A, B and C respectively of an equilateral triangle ABC having length of each side 10 cm. The resultant force on the charge at C is

1) 0.9 N

2) 1.8 N

3) 2.7 N

4) 3.6 N

Solution:

Explanation: 2e

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