Neco 2023 Physics Question 7
Practice objective / multiple choice question 7 from the 2023 Neco Physics examination.
Two point charges are placed on the x‑axis. Charge \(Q_{1}\) is at \(x = -0.20\) m and charge \(Q_{2}\) is at \(x = +0.30\) m. At the origin the resultant electric field has a magnitude of \(5.0\times10^{4}\ \text{N C}^{-1}\) and points to the right. The electric potential at the origin is zero. (a) Determine the values of \(Q_{1}\) and \(Q_{2}\). (b) A test charge \(q = 2.0\ \mu\text{C}\) is placed at the origin. Find the magnitude and direction of the force on the test charge.
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About This Question
This is Neco 2023 Physics Question 7. It is one of the objective questions from the 2023 Neco Physics examination.
Difficulty level: Hard .
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