Two fixed charges \( 4 \mathrm{Q} \) (positive) and \( \mathrm{Q} \...
Two fixed charges \( 4 \mathrm{Q} \) (positive) and \( \mathrm{Q} \) (negative) are located at \( \mathrm{A} \) and \( \mathrm{B} \), the distance \( \mathrm{AB} \) being \( 3 \mathrm{~m} \).
\( \mathrm{P} \)
(A) The point \( \mathrm{P} \) where the resultant field due to both is zero is on \( \mathrm{AB} \) outside \( \mathrm{AB} \).
W
(B) The point \( \mathrm{P} \) where the resultant field due to both is zero is on \( \mathrm{AB} \) inside \( \mathrm{AB} \).
(C) If a positive charge is placed at \( \mathrm{P} \) and displaced slightly along \( \mathrm{AB} \) it will execute oscillations.
- (D) If a negative charge is placed at \( \mathrm{P} \) and displaced slightly along \( \mathrm{AB} \) it will execute oscillations.
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