A i microF capacitor is connected to a 12 V battery, charged up, and then disconnected to the battery. Afterwards a dielectric, (with dielectric constant = 2), is inserted between the plates of the capacitor. What is the energy stored in the capacitor and discuss where the energy has gone or come from. WHat would happen if you then reconnected the capacitor to the battery. I can't figure this one out. Please help me as quickly as possible. Thanks.