Two charges +q and +q are placed at corners of an equilateral triangle. The third corner has potential:
A0
Bkq/r
C2kq/r
Dkq²/r
Answer & Solution
Correct answer: C. 2kq/r
V is scalar — sum of contributions: V = kq/r + kq/r = 2kq/r. (No vector cancellation issue, unlike fields.)
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