Neco 2024 Physics Question 39

Practice objective / multiple choice question 39 from the 2024 Neco Physics examination.

Neco 2024 Physics Objective / Multiple Choice Hard Difficulty

Question 39 NECO • 2024 • PHYSICS • objective

Two point charges are placed on a straight line 20\ \text{cm} apart. Charge \(q_{1}=+8\ \mu\text{C}\) is at the left end and charge \(q_{2}=-2\ \mu\text{C}\) is at the right end. (a) Find the position on the line between the charges where the net electric field is zero, giving the distance from \(q_{1}\) in centimeters (to three significant figures). (b) Compute the electric potential at that point relative to infinity, giving the result in volts (to two significant figures). Use \(k=8.99\times10^{9}\ \text{N m}^{2}\text{C}^{-2}\).

A. 6.7 cm, 1.2×10^5 V

B. 15.8 cm, 3.1×10^5 V

C. 9.5 cm, 2.0×10^5 V

Correct Answer D. 13.3 cm, 2.7×10^5 V

Correct Answer

Correct Option:

13.3 cm, 2.7×10^5 V

This is Neco 2024 Physics Question 39. It is one of the objective questions from the 2024 Neco Physics examination.

Difficulty level: Hard .

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