Multiple Choice
A charge of +2 C is at the origin.When charge Q is placed at 2 m along the positive x axis,the electric field at 2 m along the negative x axis becomes zero.What is the value of Q? 
A) −3 C
B) −6 C
C) −7 C
D) −8 C
Correct Answer:
Verified
Correct Answer:
Verified
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