1.Three charges 111 C, −2-2−2 C, −2-2−2 C at vertices of equilateral triangle side 111 m. External work to increase separation to 222 m isa.14πε0\frac{1}{4\pi\varepsilon_0}4πε01b.18πε0\frac{1}{8\pi\varepsilon_0}8πε01c.116πε0\frac{1}{16\pi\varepsilon_0}16πε01d.zeroLogin to continueOnly logged in users canattempt or see the solution.
