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PIMSO 2025 - Science - Senior Secondary - National Round Question 17

PIMSO Science · PIMSO 2025 - Science - Senior Secondary - National Round

Question 17

Given the diagram below, what characteristic of electric fields inside conductors can be derived?

A. Electric fields are strongest along the most curved surface.
B. Excess charges exist in the outer surface of the conductor.
C. Electric fields are directed perpendicular to the surface of the conducting object
D. If an object has reached electrostatic equilibrium, there is no parallel electric field component

Editorial task: assess the alternatives and justify whether a unique answer exists.

Question illustration