Home › JEE Advanced › Physics › Electromagnetism › Two charges +q and +q are placed at corners of a…
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.)
Related questions
Certain galvanometers use eddy currents to provide electromagnetic:The SI unit of inductance is the:Eddy current flow patterns are said to resemble swirling eddies in:Foucault lived from 1819 until:Who discovered eddy currents?Swirling induced currents in a metal plate are called:What in Faraday's equation represents Lenz's law?Lenz's law says the induced current opposes the change in: