The two plates of a capacitor hold +2500 μCand -2500 μC of charge, respectively, when the potential difference is 990 V  What is the capacitance?

A parallel plate capacitor with plate separation do is charged by connecting it to a battery. The energy stored by the capacitor is Ug. The battery is then disconnected and the plate separation is changed to d1 = 0.7do. If U1 is the energy stored by the capacitor when the plate separation is di, what is the ratio U1/Uo? O (a) 0.7 O (b) 0.837 O (c) 0.49 O (d) 2.04 O (e) 1.43 O (f) 1.2

A parallel plate capacitor with plate separation of 4.25 cm has plates whose area has dimensions of length 3.18 cm and width 2.32 cm. Calculate the capacitance of this capacitor (in picofarads) if a dielectric material with a dielectric constant of 3.24 is placed between the plates. pF

A capacitor of capacitance 400 µF is charged so that the potential difference between its plates is 5 V. How much charge (in mC) is transferred?

A 20µF capacitor is connected to a 30 V battery.    Calculate the charge on the capacitor

A capacitor must hold 549 µC of charge.  If you will use 7.32 V to do this, how large of a capacitor do you need, in µF?

Two parallel-plate capacitors C, and C, are connected in parallel to a 12.0 V battery. Both capacitors have the same plate area of 4,10 cm? and plate separation of 2.65 mm. However, the first capacitor C, is filled with air, while the second capacitor C, is filled with a dielectric that has a dielectric constant of 4.00. (a) What is the charge stored on each capacitor? Q1 = pC Q2 = pC (b) What is the total charge stored on the parallel combination? PC Additional Materials

A parallel plate capacitor has metal plates, each of area 1.45 m², separated by 1.80 mm. What charge (in µC) is stored in this capacitor if a voltage of 2.70 × 103 v is applied to it?

A parallel plate, air filled capacitor, has plates of area 0.61 m2 and a separation of 0.1 mm.What is its capacitance? (Units: nF=10-9F)