A student discharges a Leyden jar capacitor by connecting its plates with a wire. After the discharge, they notice no spark. What principle explains the absence of a spark, and how does it relate to dielectric charge flow?

When the jar is shorted, the electric energy stored between the plates moves through the wire as current. Other options are incorrect because It is easy to think a very low charge can never spark, but a spark needs a high electric field, not just a big amount of charge; The dielectric keeps charge stored by separating the plates, but it does not stop charge from moving during a short.