(a) What is the capacitance (in uF) of a parallel plate capacitor having plates of area 1.25 m? that are separated by 0.0210 mm of Bakelite? UF (b) What charge (in pC) does it hold when 9.00 V is applied to it?

What is the capacitance in units of micro-Farads of a parallel plate capacitor having plates of area 1.25 m2 that are separated by 0.0241 mm of a film with a dielectric constant = 5.8?

See the diagram below. (a) Find the total capacitance of the 5 capacitors where Ci = { 3pf if i is an even number 4pf if i is an odd number (b) If the capacitors are connected across a 30V – battery, find the charge on each plate of C4.

An air-filled parallel-plate capacitor has plates of area 2.10 cm2 separated by 1.80 mm. The capacitor is connected to a(n) 22.0 V battery. (a) Find the value of its capacitance.  (b) What is the charge on the capacitor?  (c) What is the magnitude of the uniform electric field between the plates?

A 31 m length of coaxial cable has a solid cylindrical wire inner conductor with a di- ameter of 2.168 mm and carries a charge of 10.02 µC. The surrounding conductor is a cylindrical shell and has an inner diameter of 11.534 mm and a charge of-10.02 C. What is the capacitance of this cable? As- sume the region between the conductors is air. The value of the Coulomb comstant is 8.98755 x 10° N m²/C. Answer in units of nF.

The plates of a spherical capacitor have radii 41.3 mm and 44.2 mm. (a)Calculate the capacitance. (b) What must be the plate area of a parallel-plate capacitor with the same plate separation and capacitance?

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

See the diagram below. (a) Find the total capacitance of the 5 capacitors where Ci = { 3pf if i is an even number 4pf if i is an odd number (b) If the capacitors are connected across a 30V – battery, find the charge on each plate of C4.

MY YSY When an air-filled parallel-plate capacitor is connected to a 28 V battery, it contains 80 µC of charge. After disconnecting the capacitor from the battery, the distance between two parallel plates is now reduced to half. (a) What is its new capacitance? Cnew µF %3D (b) What is the new potential difference between two plates? Vnew volts (c) Find the energy stored in the new capacitor. Unew %3D