Learning Path
Question & Answer
Choose the Best Answer
The capacitor was not charged enough to create a spark.
The energy stored in the capacitor dissipated completely during discharge.
The dielectric material prevented any charge flow.
The wire used was too thick to allow a spark to form.
Understanding the Answer
Let's break down why this is correct
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.
Key Concepts
Dielectric Charge Flow
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Deep Dive: Dielectric Charge Flow
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Definition
Capacitors store energy as electric field potential between conductors. Discharging a charged capacitor eliminates its stored energy. Observing no spark when shorting discharged capacitor plates demonstrates energy dissipation and charge flow principles.
Topic Definition
Capacitors store energy as electric field potential between conductors. Discharging a charged capacitor eliminates its stored energy. Observing no spark when shorting discharged capacitor plates demonstrates energy dissipation and charge flow principles.
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