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study the description.

material a allows electrons to move through it freely, while materials b and c do not allow electrons to move through them.

which choice most accurately describes the three materials?


materials b and c must be superconductors while material a is a conductor. electrons can move easily through conductors but not through superconductors.

materials b and c must be conductors while material a is an insulator. electrons can move easily through insulators but not through conductors.

materials b and c must be conductors while material a is an inductor. electrons can move easily through inductors but not through conductors.

material a must be a conductor, while materials b and c are insulators. electrons can move easily through conductors but not through insulators.