Question 1: A single charge. Describe in words what happens to the (direction an

Question

Question 1: A single charge. Describe in words what happens to the (direction and magnitude) of the electric force vector as you approach the point charge.

Question 2: A general question about the relationship between equipotential surfaces and force vectors. What is the angle between force vectors and equipotential surfaces? How does the magnitude of the force vector relate to the spacing of the equipotential surfaces?

Question 3: For two opposite sign and unequal charges, is there a place in the plot region where E=0? (See if you can find one using the software!) Explain.

Question 4: Close to the center between the wires, you should find that the spacing between the equipotential surfaces is approximately constant. What does this say about the electric field in this region?

Explanation / Answer

Q1.

as we know electric force, F= (KQ1Q2 / r2) r^

So if we approach the point charge r will decrease and magnitude of electric force will increase.

direction will not change at the time approaching the point charge.

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