physics

posted by .

A capacitor consists of two concentric spherical shells. The outer radius of the inner shell is a=0.76 mm and the inner radius of the outer shell is b=3.31 mm .


(a) What is the capacitance C of this capacitor? Express your answer in Farads.

unanswered
(b) Suppose the Maximum possible electric field at the outer surface of the inner shell before the air starts to ionize is Emax(a)=3.0×106V⋅m-1 . What is the maximum possible charge on the inner sphere? Express your answer in Coulombs.

unanswered
(c) What is the maximum amount of energy stored in the capacitor? Express your answer in Joules.

unanswered
(d) When E(a)=3.0×106V⋅m-1 what is the absolute value of the potential difference between the shells? Express your answer in Volts.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    Consider a conducting spherical shell with inner radius b = 0.862 m and outer radius c = 1.21 m. There is a net charge q2 = 3.82 ìC on the shell. At its center, within the hollow cavity, there is a point charge q1 = 2.89 ìC. Determine …
  2. Physics

    A particle with a charge of -60.0 nC is placed at the center of a nonconducting spherical shell of inner radius 20.0 cm and outer radius 33.0 cm. The spherical shell carries charge with a uniform density of -2.02 µC/m3. A proton moves …
  3. Physics

    A capacitor is constructed of two concentric conducting cylindrical shells. The radius of the inner cylindrical shell is 2.35 10-3 m, and that of the outer shell is 2.49 10-3 m. When the cylinders carry equal and opposite charges of …
  4. physics

    The capacitance of a spherical capacitor with inner radius b and outer radius a. Suppose a is fixed. What is radius b in terms of a such that the capacitor can store a maximum amount of energy , assuming that the electric field strength …
  5. physics

    Two spherical shells have a common center. A -2.00 × 10-6 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +5.50 × 10-6 C charge is spread uniformly over the outer shell, which has a radius of 0.15 …
  6. Physics

    A capacitor consists of two concentric spherical shells. The outer radius of the inner shell is a=0.43 mm and the inner radius of the outer shell is b=2.2 mm . (a) What is the capacitance C of this capacitor?
  7. physics

    Two concentric conducting spherical shells produce a radially outward electric field of magnitude 49,000 N/C at a point 4.10 m from the center of the shells. The outer surface of the larger shell has a radius of 3.75 m. If the inner …
  8. Physics

    A capacitor is constructed of two concentric conducting cylindrical shells. The radius of the inner cylindrical shell is 2.40 10-3 m, and that of the outer shell is 2.53 10-3 m. When the cylinders carry equal and opposite charges of …
  9. physics

    You have two cylindrical solenoids, one inside the other, with the two cylinders concentric. The outer solenoid has length ℓouter = 400 mm, radius R outer = 50 mm, and N outer = 2000 windings. The inner solenoid has length ℓinner …
  10. Physics

    A point charge is placed at the center of a net uncharged spherical conducting shell of inner radius 2.5 cm and outer radius 4.0 cm. As a result, the outer surface of the shell acquires a surface charge density σ = 71nC/cm2. Find …

More Similar Questions