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OCW Scholar - Physics II: Electricity and Magnetism
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OpenStudy (anonymous):
...Continuation of question involving material and dielectric constant. SEE BELOW... B) A 100pF capacitor is charged to a potential difference of 50V, and the charging battery is disconnected. The capacitor is then connected in parallel with a second (initially uncharged) capacitor. If the potential difference across the first capacitor drops to 35 V, what is the capacitance of this second capacitor? (6) C) Two capacitors, of 2.0 and 4.0μF capacitance are connected in parallel across a 300V potential difference. Calculate the total energy stored in the capacitors? (2) (see last ques above)
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