Fig. 1.18 shows two parallel metal plates connected to a battery. The top plate is positive and the bottom plate is negative. A small positive charge is pla...
Question 1 Report
Fig. 1.18 shows two parallel metal plates connected to a battery. The top plate is positive and the bottom plate is negative. A small positive charge is placed at point P between the plates.
In which direction does the electric force act on the positive charge at P?
Answer Details
The electric field between the plates points from the positive plate (top) to the negative plate (bottom), as shown by the field line arrows in the diagram. A positive charge placed in this field experiences a force in the same direction as the field, i.e. downward, toward the negative plate.
A negative charge would experience a force in the opposite direction (upward, toward the positive plate). The field between parallel plates is uniform, meaning the force on the charge is the same regardless of where it is placed between the plates.
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