Physics · Electrostatic Potential

Match List-I with List-II: List-I List-II A Potential due to point charge I \( \propto \frac{1}{r^2} \) B Potential due to electric dipole II \( \propto \frac{1}{r} \) C Electric field due to point charge III Zero D Potential at equatorial point of dipole IV \( \propto \frac{1}{r^2} \) Choose the correct answer from the options given below:

1. A
   A-(II), B-(IV), C-(I), D-(III)
2. B
   A-(I), B-(II), C-(III), D-(IV)
3. C
   A-(II), B-(I), C-(IV), D-(III)
4. D
   A-(IV), B-(III), C-(II), D-(I)