Why is Coulomb's constant k = 1/4πε0? Why has k been described as a product of three constants? - Quora
![Charge 2Q and –Q are placed as shown in figure. At what point electric field intensity will be zero?\n \n \n \n \n A. Between –Q and 2QB. On the left of – Charge 2Q and –Q are placed as shown in figure. At what point electric field intensity will be zero?\n \n \n \n \n A. Between –Q and 2QB. On the left of –](https://www.vedantu.com/question-sets/3ffd44a0-fe67-4970-abd8-efa271bae8dc1680354765673448147.png)
Charge 2Q and –Q are placed as shown in figure. At what point electric field intensity will be zero?\n \n \n \n \n A. Between –Q and 2QB. On the left of –
Show the capacitance of the spherical conductor is 4pi epsilon times the radius of the spherical conductor
![The reduced potential, $4\pi {{R}^{3}}{{\epsilon }_{0}}V/{{d}^{2}}$ 4 π... | Download Scientific Diagram The reduced potential, $4\pi {{R}^{3}}{{\epsilon }_{0}}V/{{d}^{2}}$ 4 π... | Download Scientific Diagram](https://www.researchgate.net/publication/260250878/figure/fig3/AS:1132503574286382@1647021301445/The-reduced-potential-4pi-R3epsilon-0V-d2-4-p-R-3-e-0-V-d-2.jpg)