Consider the physical situation from the prelab (shown at right). You have verif
ID: 1559588 • Letter: C
Question
Consider the physical situation from the prelab (shown at right). You have verified using the simulator that the electric field at point R is to the left. There is some location on the x-axis, call it point P, at which the electric field is zero. Your task is to determine, using a theory-based calculation, the location of point P. When you have your prediction, call your instructor over. Then use the simulator to check your results. Make notes in the space below so that later, when doing the mini-report for your lab HW, you can recall your group's thinking.Explanation / Answer
The electric field due to a positive charge always points away from the charge and towards the location where we need to calculate the field.
The electric field due to a negative charge always points towards the charge and away from the location where we need to calculate the field.
The vertical component of the fields due to two negative charges cancles on the line joining the point R and the positive charge. the direction of the net field of two negative charges at anypoint on the line will be opposite to the field due to positive charge. There is a chane to become the net electric field at a point on the line joing R and positive charge.
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