A charged particle is placed at rest in the middle of a vacuum chamber, an enclosure that has been emptied of all matter. Consider some point X near a particular corner of the chamber. Neglecting all influences other than the charged particle, what can be said regarding electric fields and electric forces at point X?
A) There is no electric field at X but there is an electric force at X.
B) There is both an electric field and an electric force at X.
C) The is an electric field at X, but no electric force.
D) There is neither an electric field nor an electric force at X.
E) It is impossible to answer this question without knowing what kind of charge the particle has.

Question

Quizplus · Accepted Answer

An electric field exists at point X due to the charged particle, but there is no electric force unless there is another charge at point X to experience the force.

A Charged Particle Is Placed at Rest in the Middle