Ela asked:

“if +Q is a positive source charge and has electric field lines coming out of it does this mean that electric field lines are in direction of force? If yes then how a source charge +Q has field lines coming out of it , attracts -e as test charge?”

Answer:

Electric field (lines) are in the direction of force on a positive charge, and opposite to the direction of force on a negative charge.

In other words, in an electric field, a positive charge experiences a