Verified Solution • 2025–26 Session moderate

QNEET-2022-Ph-441: NEET 2022 Physics - Class 12 NEET-2022-Ph-441 Solution: Two point charges \(-q\) and \(+q\) are placed at a distance of …

Two point charges −q-q and +q+q are placed at a distance of L as shown in the figure. The magnitude of electric field intensity at a distance R (R >> L) varies as: 1R2\frac{1}{R^2} 1R3\frac{1}{R^3} 1R4\frac{1}{R^4} 1R6\frac{1}{R^6}

Multiple Choice Options

  • A 1R2{1 \over {{R^2}}} R 2 1 _
  • B 1R3{1 \over {{R^3}}} R 3 1 _
  • C 1R4{1 \over {{R^4}}} R 4 1 _
  • D 1R6{1 \over {{R^6}}} R 6 1 _

Step-by-Step Verified Solution

For R >> L, arrangement is an electric dipole E = 2 p 4 � _ 0 R 3 ; where p = q L E _ 1 R 3

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