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Two planes that are perpendicular to a homogeneous electric field of strength 30 kV/cm are spaced 2 cm apart, as shown in the figure below. Point 4 in the figure should have zero potential.
What is the voltage between points 1 and 3?
What is the potential at point 1?
Homogeneous electric field
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The voltage between points 1 and 3 is 60 kV. This is also the voltage between the equipotential plane where points 1 and 2 lie and the equipotential plane where points 3, 4, and 5 lie.
The potential at point 1 is + 60kV.
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