The given figure gives electric lines of force due to two charges ${\mathrm{q}}_1 \mathrm{and} {\mathrm{q}}_2$. What are the signs of the two charges?

• A

  Both are negative

• B

  Both are positive

• C

  ${\mathrm{q}}_1$ is positive but ${\mathrm{q}}_2$ is negative

• D

  ${\mathrm{q}}_1$ is negative but ${\mathrm{q}}_2$ is positive