Long dielectric cylinder of radius R carries a built-in electrostatic polarization P that is linearly proportional...
6. Spinning Cylinder A cylinder of radius R and infinite length is made of permanently polarized dielectric. The polarization vector P is everywhere proportional to the radial vector r, such that P = ar, where a is a positive constant. The cylinder rotates around its axis with an angular velocity w This is a non-relativistic problem where wR< c. a) Find the electric field E at a radius r both inside and outside the cylinder. b) Find the magnetic field...
Problem 4, 30 marks The infinitely long conducting cylinder of radius R carries the volume current density directed along its axis whose absolute value is a cubic function of the distance from the center of the cylinder r, j(r)-br3, where b is a known constant. a. Find the magnitude and direction of the magnetic field B forr>R. b. Find the magnitude and direction of the magnetic field B for r<R. c. Imagine that the conductor has magnetic permeability H (5...
3) Didn't I just ask this? A long circular cylinder of radius R carries a magnetization M ksp, where k is a constant, s is the distance from the axis, and ф is the azimuthal unit vector. a) Use ф H- dl = hemet to determine the auxiliary field (H field) both inside and outside of the cylinder b) use H = (110)2-M to determine the magnetic field (B-field) both inside and outside of the cylinder
5. An infinitely long cylinder of radius R carries a frozen-in" magietization parallel to z-axis and is given by M = ksi, where k is a constant and s is the distance from the axis. There is no free current anywhere. Find the magnetic field inside and outside the cylinder.
#6) (25 pts total) An infinitely long cylinder of radius R carries a “frozen-in” magnetization parallel to the axis M = kpa, where k is a constant and pis the distance from the axis. (a) (12 pts) Calculate all the bound currents. (b) (13 pts) Find the magnetic field, B, inside and outside of the cylinder. (This is for cylindrical coordinates where "s" is the same as “p”)
A dielectric sphere of radius a has a polarization P Kr2f. Find the electric field and electric displacement at distance r from center, a) for r < a (inside the sphere), and b) for r>a (outside the sphere)
An infinitely long cylinder of radius R = 3 cm carries a uniform charge density p = 17 Cm. Calculate the electric field at distance r = 18 cm from the axis of the cylinder. Select one: O a. 8.8x10° NC b. 2.8x10NC c. 6.8x103 N/C d. 0.8x10° NIC O O e. 4.8x10 N/C
ery long dielectric cylinder of radius a and dielectric constant er is placed in a field Eo perpendicular to its A v axis. The electric potential inside the cylinder is r in and the electric potential outside the cylinder is The electric field inside of the cylinder is and the electric field outside the cylinder is n11 out-_E Find the surface charge density and take the cylinder axis to be the z-axis and take Eo - Eo ery long dielectric...
2. (30 points) A very long, straight, solid copper cylinder of radius R (>2R) is oriented with its axis along e z-direction. The cylinder carries a current whose current density is j(r), where r is the radial distance from the cylinder axis. The current density, although symmetric about the cylinder axis, is not constant but varies with r according to 31o a) (10) Obtain an expression for the current /(in terms of Jo, r and R) flowing in a circular...
Long charged cylinder A long cylinder with radius R carries a volume charge density S. a) Find the direction of the electric field E produced by the cylinder? b) Find E(r) for r less than R, where r is the perpendicular distance from the cylinder axis. c) Find E(R) for r greater than R d) plot E(r) for 0 leqr less than infinity e) Is the answer to part (c) consistent with the result for an infinite line of charge?