SCENARIOS: Since the negative test charge enters the electric field in a way that it is the same as its natural response, therefore, work is positive. However, the energy needed to go against Coulomb's law is not greatly needed. That's why the electric potential energy is decreasing. Since the negative test charge enters the electric field in a way that it is the opposite as its natural response, therefore, work is negative. However, the energy needed to go against Coulomb's law is greatly needed. That's why the electric potential energy is increasing. Please explain the phenomenon in paragraph form using these guide questions. Reminder: Your answer will consist of one to two whole paragraphs and do not answer the following questions one at a time since these are only GUIDE questions. a. Explain the two possible scenarios wherein the negative test charge moves in the opposite direction of the horizontal electric field. For each scenario in letter a, if there is one positive linear charge and one negative linear charge included in the system, locate whether the positive and the negative linear charges are at the left or at the right side of the horizontal electric field. Is the movement of the negative test charge in accordance to its natural response when it enters the electric field or not? Meaning, is the negative test charge goes to the positive linear charge and away from the negative charge or does it have an opposite reaction?
SCENARIOS:
Since the negative test charge enters the electric field in a way that it is the same as its natural response, therefore, work is positive. However, the energy needed to go against Coulomb's law is not greatly needed. That's why the electric potential energy is decreasing.
Since the negative test charge enters the electric field in a way that it is the opposite as its natural response, therefore, work is negative. However, the energy needed to go against Coulomb's law is greatly needed. That's why the electric potential energy is increasing.
Please explain the phenomenon in paragraph form using these guide questions.
Reminder: Your answer will consist of one to two whole paragraphs and do not answer the following questions one at a time since these are only GUIDE questions.
a. Explain the two possible scenarios wherein the negative test charge moves in the opposite direction of the horizontal electric field.
- For each scenario in letter a, if there is one positive linear charge and one negative linear charge included in the system, locate whether the positive and the negative linear charges are at the left or at the right side of the horizontal electric field.
- Is the movement of the negative test charge in accordance to its natural response when it enters the electric field or not? Meaning, is the negative test charge goes to the positive linear charge and away from the negative charge or does it have an opposite reaction?
The direction of the electric field is defined from a higher potential to lower potential. Also when a charge moves in an electric field, an electric force exert on it.
So when a negative charge will move in the opposite direction of the horizontal electrical field, an electric force will exert on it in the direction opposite to the electric field. Now since the force and direction of the motion are the same. Therefore the work done will be positive. It means the charge will be drive by the force, hence there will be no work needed against coulomb’s law. And therefore, there will be a decrease in electric potential energy.
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