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Electric charges of 1muC-1muC and 2muC...

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

A

0.9N

B

1.8N

C

2.7N

D

3.6N

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The correct Answer is:
B
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