Select all the statements regarding electric field line drawings that are correct.
group of answer choices:
1. electric field lines are the same thing as electric field vectors.
2. electric field line drawings allow you to determine the approximate direction of the electric field at a point in space.
3. the number of electric field lines that start or end at a charged particle is proportional to the amount of charge on the particle.
4. the electric field is strongest where the electric field lines are close together.

All statement are correct.

Explanation:

1. Electric field lines are the same thing as electric field vectors, electric field are mathematically vectors quantity. These vectors point in the direction in which a positive test charge would move.

2.  Electric field line drawings allow you to determine the approximate direction of the electric field at a point in space. Yes it is correct tangent drawn at any point on these lines gives the direction of electric filed at that point.

3. The number of electric field lines that start or end at a charged particle is proportional to the magnitude of charge on the particle, is a correct statement.

4.The electric field is strongest where the electric field lines are close together, again a correct statement as relative closeness of field lines indicate a stronger strength of electric field.

Hence we can say that all the statement are correct.

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explanation:

1/0.14nm = 10^10/1.4 a lot