An initially uncharged air-filled capacitor is connected to a 2.63 v charging source. as a result, 6.27×10−5 c of charge is transferred from one of the capacitor's plates to the other. then, while the capacitor remains connected to the charging source, a sheet of dielectric material is inserted between its plates, completely filling the space. the dielectric constant κ of this substance is 3.55. find the capacitor's potential difference and charge after the insertion.