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SAT® Subject Test in Physics

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Moderate

Same Charge Circular Symmetry

SATPHY-QEJKT9

Six negative point charges are arranged symmetrically around a circle centered on point $P$ as shown in the diagram below. All point charges are of the same magnitude.

Which table gives the best description of the electric field at point $P$ and the electric potential at point $P$?

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A
Electric Field at P zero
Electric Potential at P zero
B
Electric Field at P zero
Electric Potential at P negative
C
Electric Field at P downward
Electric Potential at P downward
D
Electric Field at P downward
Electric Potential at P negative
E
Electric Field at P negative
Electric Potential at P zero