Multiple Choice
In the figure the net electrostatic force on charge QA is zero.If QA = +1 nC,determine the magnitude of Q0 if position of QA is (+2a,-2a) . 
A) 4.24 nC
B) 3.04 nC
C) 6.80 nC
D) 9.61 nC
E) 2.15 nC
Correct Answer:

Verified
Correct Answer:
Verified
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