Two charges lie on a line as shown. Consider the strength of the electric field along the horizontal line.

The electric field from the two charges can be zero

somewhere in region I only

somewhere in region $2$ only

somewhere in region $3$ only

in both regions $1$ and $3$

in both regions $1$ and $2$

in both regions $2$ and $3$

in all of regions $1,2$ and $3$

nowhere