Multiple Choice
As shown in the figure,the charge Q is midway between two other charges.If what must be the charge q1 so that charge q2 remains stationary as Q and q1 are held in place?
A) 30 nC
B) 15 nC
C) 7.5 nC
D) 60 nC
Correct Answer:

Verified
Correct Answer:
Verified
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