ided shows a section of a very long rod of radius a = 1.11 mm and linear charge density 4.49 nC/m. The rod is inside a coaxial cylindrical shell of radius b = 8.30 mm a gnitude and direction of the electric field at a radial distance of 5.80 mm? 2*10^4 V/m gnitude and direction of the electric field at a radial distance of 19.4 mm? 19*10^2 V/m

A uniform line of charge has length L=36 cm and total charge Q=2.0 μC.  What is the electric field a distance of d=50 cm above the midpoint of the line of charge?

A ring-shaped conductor with radius a = 2.30 cm has a total positive charge Q = 0.121 nC uniformly distributed around it. (electric field at point p which is in positive x-axis x= 35.0 cm) a) figure out the electric field very far away. Is it consistent with the coulombs law? b) figure out the electric field at the center of ring?

(a) The drum of a photocopying machine has a length of 42 cm and a diameter of 12 cm.The electric field just above the drum’s surface is 2.3*10^5 N/C.What is the total charge on the drum? (b) The manufacturer wishes to produce a desktop version of the machine. This requires reducing the drum length to 28 cm and the diameter to 8.0 cm.The electric field at the drum surface must not change.What must be the charge on this new drum?

The electric field along the axis of a ring-shaped charge of total charge q distributed uniformly is given by E = where R is the radius of the ring and z is the distance from the center of the ring. The electric field at the center of the ring is zero and at great distances from the ring approaches zero. At a certain distance along the z-axis the electric field strength is maximum. What is the electric field strength at this point? 9 3√√√3лE R² 9 2√√3лER² 9 5√√3лε R² 9 6√√3лE R² qz 4лεo (z² + R²) ³/2 0 q 4√3лER²

l y d x A line charge of charge density, p = 0.0001 C/m is of length, 1=2.5 m. Find the electric field component Ę at the point, d=5 m away from one end as shown in the figure above. Answer: Ey = 4.5 × 10 V/m

The figure below shows a spherical shell with uniform volume charge density ρ = 1.92 nC/m3, inner radius a = 12.0 cm, and outer radius b = 2.60a. What is the magnitude of the electric field at the following radial distances? (a)    r = 0 ___________N/C(b)    r = a/2.00 ___________N/C(c)    r = a __________N/C(d)    r = 1.50a __________N/C(e)    r = b __________N/C(f)    r = 3.00b __________N/C

Two 10-cm-diameter charged rings face each other, 15.0 cm apart. Both rings are charged to +50.0 nC. What is the electric field strength

l y d x A line charge of charge density, p = 0.0001 C/m is of length, 1=2.5 m. Find the electric field component Ę at the point, d=5 m away from one end as shown in the figure above. Answer: Ey = 4.5 × 10 V/m

A pair of parallel conducting plates are given charges of equal magnitude but opposite sign to create a uniform electric field with magnitude 38 N/C. A rectangular surface with dimensions 4.2cm×1.2cm is located in the gap between the parallel plates. a. What is the magnitude of the electric flux, in newton squared meters per coulomb, through the rectangular surface if it is parallel to the charged plates?  b. What is the magnitude of the electric flux, in newton squared meters per coulomb, through the rectangular surface if it is perpendicular to the charged plates?  c. What is the magnitude of the electric flux, in newton squared meters per coulomb, through the rectangular surface if the angle between its normal and the electric field is 25∘?