A 140 pF capacitor is charged to a potential difference of 74 V, and the charging battery is disconnected. The capacitor is then connected in parallel with a second (initially uncharged) capacitor. If the measured potential difference across the first capacitor drops to 25 V, what is the capacitance of this second capacitor?

Q: A 20 µF capacitor is connected to a 60 V battery until it becomes fully charged. The capacitor is…

A: Capacitance = C = 20 micro farad Potential difference = V = 60 volts

Q: Two capacitors having capacitances of 10.0 µF and 20.0 µF are connected in series across a 30.0 volt…

A: Given data- two capacitors C1=10.0 μF, and C2=20.0 μF voltage V=30.0 volt

Q: A 190 pF capacitor is charged to a potential difference of 110 V, and the charging battery is…

A: Given value--- The capacitor is C1=190 pF The potential difference of V1=110 V The measured…

Q: Find the voltage V across the capacitor and the charge Qf stored by it after the dielectric is…

A: Voltage, V across the capacitor= 2.07 V

Q: An air‑filled parallel‑plate capacitor is connected to a battery with a voltage V. The plates are…

A:

Q: 3.0-μF capacitor charged to 40 V and a 5.0-μF capacitor charged to 18 V are connected to each other,…

A:

Q: A 2.5 µF capacitor is charged to 21 V. After charging, the capacitor is disconnected from the…

A: Given, The capacitance of the known capacitor: C1 = 2.5 µF (call it capacitor 1) The potential to…

Q: A C1 = 16 μF capacitor is charged at 640 Volts. If we want to store the same electric charge but…

A: The capacitance of a capacitor holding a charge Q when charged by V volts is given as:C=QV

Q: A parallel-plate capacitor has square plates that have edge length equal to 1.20x10 cm and are…

A: Given: The length of the square plate is 1.2x102 cm. The separation between plates is 1 mm. The…

Q: Three capacitors having capacitances of 6.00, 6.00, and 3.00 µF, respectively, are connected in…

A: Given:   Three capacitor connected in series,  C1 = 6 μF C2 = 6 μF C3 = 3 μF Voltage =27 V

Q: A 1.6 µF capacitor and a 4.2 µF capacitor are connected in parallel across a 270 V potential…

A: Given: Capacitor C1=1.6 μF and C2=4.2 μF connected in parallel combination. The potential difference…

Q: plates is air, what plate area is required to ress your answer to three significant figur

A: Solution:

Q: An air-filled (empty) parallel-plate capacitor is made from two square plates that are 28 cm on each…

A:

Q: A spherical capacitor consists of two concentric conducting spheres. What is the capacitance of such…

A:

Q: A 2.0 μF capacitor and a 3.2 μF capacitor are connected in parallel across a 330 V potential…

A: There are two capacitors C1= 2µF C2=3.2 µF Energy stored in a capacitor is given by E=12CV2 Where C…

Q: Three uncharged capacitors with equal capacitances are combined in series. The combination is…

A:

Q: A 0.8 µF capacitor is charged to a potential difference of 12.0 V. The wires connecting the…

A:

Q: There are two capacitors. If they are connected in parallel, the equivalent electricity capacity is…

A:

Q: A capacitor stores charge Q at a potential difference ∆V.What happens to the values of the…

A: solution is given as

Q: An initially uncharged air-filled capacitor is connected to a 2.07 V charging source. As a result,…

A: V= 2.07 volts  Q= 3.39× 10-5 C  K= 4.25

Q: The same voltage is applied between the plates of two different capacitors. When used with capacitor…

A: Let the applied voltage = V For capacitor A : charge stored (Q) = 15 μC Energy stored (E) = 5.3×10-5…

Q: A researcher builds a parallel-plate capacitor with adjustable spacing between the plates. When the…

A:

Combination of Capacitors

The connection of capacitors can be established in a circuit in two ways.