Neco Model Questions Vol1 2021 Physics Question 41
Practice objective / multiple choice question 41 from the 2021 Neco Model Questions Vol1 Physics examination.
Three point charges are placed in the xy‑plane. Charge \(Q_{1}=+8\,\mu\text{C}\) is at the origin \((0,0)\), charge \(Q_{2}=-12\,\mu\text{C}\) is at \((0,4\,\text{cm})\) and an unknown charge \(q\) is at \((3\,\text{cm},0)\). Determine the value of \(q\) (in \(\mu\text{C}\)) such that the net electric field at the point \(P(1\,\text{cm},1\,\text{cm})\) is directed exactly along the positive x‑axis (i.e. its y‑component is zero).
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About This Question
This is Neco Model Questions Vol1 2021 Physics Question 41. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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