Question

Five equal charges each of value q are placed at the corners of a regular pentagon of side ’a’.

• A. $\frac{q}{4\pi\varepsilon_{0}r^{2}}$
• B. $\frac{q^{2}}{4\pi\varepsilon_{0}r^{2}}$
• C. $\frac{2q}{4\pi\varepsilon_{0}r^{2}}$
• D. Zero

Answer 1

Answer: (D)

Zero

Answer 2

: The electric field at the centre of pentagon would be zero.