two protons are near each orher and their electric fields combine. which of the following field directions is incorrect? what is the value of the electric field between the teo protons?

Two protons are near each other and their Electric Fields combine.

a$.$ Which of the following field directions $(A,B,C,D)$ is incorrect?

b$.$ What is the value of the electric field between the two protons?

i$.$ To the left

ii$.$ To the right

iii. The field is zero there