ABC is an equilateral triangle. Charges +q are placed at each corner as shown in fig. The electric intensity at centre 0 will be
A. \(\frac{1}{4 \pi \epsilon_{0}} \frac{\mathrm{q}}{\mathrm{r}}\)
B. \(\frac{1}{4 \pi \epsilon_{0}} \frac{q}{r^{2}}\)
C. \(\frac{1}{4 \pi \epsilon_{o}} \frac{3 q}{r^{2}}\)
D. zero
Answer:D
ABC is an equilateral triangle. Charges +q are placed at each corner as shown in fig. The electric intensity at centre 0 will be
A. \(\frac{1}{4 \pi \epsilon_{0}} \frac{\mathrm{q}}{\mathrm{r}}\) B. \(\frac{1}{4 \pi \epsilon_{0}} \frac{q}{r^{2}}\) C. \(\frac{1}{4 \pi \epsilon_{o}} \frac{3 q}{r^{2}}\) D. zero