CUET · PHYSICS · PYQ PAPER 2025
An electric dipole consists of charges \( \pm 2 \times 10^{-6} \, \text{C} \), separated by a distance of 2 mm. It is placed on the right side near a long line charge of density \( 4 \times 10^{-4} \, \text{C m}^{-1} \). The negative charge of dipole is at a distance of 2 cm from the line charge as shown in figure. A positive charge (+2q) is placed on the left at 2 cm at point C. Given \( q = 2 \times 10^{-8} \, \text{C} \).

(A) Force \( |F_A| \) exerted on negative charge at point A due to line charge
(B) Force \( |F_B| \) exerted on positive charge at point B due to line charge
(C) Net force on the dipole \( |F_{net}| \) due to line charge
(D) Force \( |F_C| \) exerted on charge +2q at point C due to line charge
If the forces \( |F_A|, |F_B|, |F_C|, |F_{net}| \) are arranged in decreasing order, then:
Choose the correct answer from the options given below:
- A (D), (A), (B), (C)
- B (A), (B), (D), (C)
- C (B), (A), (D), (C)
- D (C), (A), (B), (D)
Answer & Solution
Correct Answer
(B) (A), (B), (D), (C)
Step-by-step Solution
Detailed explanation
(A), (B), (D), (C)
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