Two negative-point electrical charges, each with an equal amount of charge, are brought close to each other. Which of the following images BEST shows what occurs with their electrical fields?
A.
image bbf85cf1b50c4152810c232557684ad7
B.
image d90964bb128749698bba0887b30fb843
C.
image 97843fa5b35c481aa9552b3f1c2b0c79
D.
image 90bf35a64d0343809aa77f120bea76d6
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To determine which image best shows what occurs with the electrical fields of two negative-point charges, we need to consider the behavior of like charges in an electrical field. Remember that like charges repel each other, meaning they push away from one another.
Looking at the given images, we need to identify the one that represents the situation where two negative-point charges repel each other and create an electric field.
By observing the images, we can eliminate option D since it shows two positive charges instead of negative charges.
For options A, B, and C, we need to consider the direction of the electric field lines. Electric field lines represent the force exerted on a positive test charge placed in the field. Since the charges in question are negative, the field lines will emerge from one charge and terminate on the other charge. Additionally, the field lines will be directed outward, away from the charges due to their repulsion.
Comparing the remaining options, we see that option A has field lines that correctly emerge from one charge and terminate on the other charge, with the lines directed outward. This corresponds to the repulsion between two negative charges.
Therefore, the correct answer is A.