The figure shows an infinite line with uniform linear charge density λ = 5.0 µC/m and an infinite sheet with uniform surface charge density o= -2.0 µC/m². If a charge q₁ = 2.0 μC is placed at (0.4,-0.3, 0) m as shown in the figure, find the total electric field Eat point P. ZK 2 P -0.4 m 0.3 m 91 X

A thick insulating cylindircal shell of inner radius a=1.8R and outer radius b=6.4R has a uniform charge density p. PR What is the magnitude of the electric field at r=9 R ? Express your answer using one decimal place in units of €0

Point P sets above an infinite line of charge 2 m in the positive z direction. The line of charge itself has a charge density ? of -5.0 x 10⁶ C/m. What is the magnitude of the electric field at point P?

A circular ring has a radius of 20 cm and a uniformly distributed charges of 0.5 micro coulombs.  What is the magnitude of the electric field on the axis of the ring that is 10 cm from the center?

A charge of -90.4 uC is placed on spherical conductor of radius 10.0 cm.    Part (a) What is the magnitude, in newtons per coulmb, of the electric field due to this charge at a distance of 1.32 cm from the center of the sphere?  E=_____ N/C.    Part (b) What is the magnitude, in newtons per coulmb, of the electric field due to this charge at a distance of 7.08 cm from the center of the sphere?  E= ______ N/C   Part (c) What is the magnitude, in newtons per coulmb, of the electric field due to this charge at a distance of 17.1 cm from the center of the sphere. E= _______ N/C

A very long uniformly charged wire (linear charge density λ = 4.3 C/m) lies along the Z axis in (Eigure 1). A small charged sphere (Q-3.8 C) is at the point z=0 cm. y = -5.0 cm. Figure wire 70 cm 5.0 cm 10 Q 70cm Eo Ein < 1 of 1 What is the magnitude of the electric field at the point z = 7.0 cm. y = 7.0 cm? Ewire and EQ represent fields due to the long wire and the charge Q. respectively. Express your answer with the appropriate units. E-2.1.10¹2 μA Part B 4 Submit Previous Answers Request Answer 0g = N C Submit O X Incorrect; Try Again; One attempt remaining What is the direction of the electric field at the point z = 7.0 cm. y = 7.0 cm? Express your answer in degrees. IVD ΑΣΦ ? [www] ? Previous Answers Request Answer 0 11 measured counterclockwise from the + axis

NCS-1 A non-conducting sphere of radius R=0.300m has a total charge q-100μC that is evenly distributed throughout its volume. a) Find the charge within a radius of r=0.100m. Hint: first find the volume charge density p. b) Find the electric field strength at r=0.100m. c) Find the charge within a radius of r-0.200m. d) Find the electric field strength at r-0.200m. e) Find the charge within a radius of 1-0.300m. f) Find the electric field strength at r-0.300m. g) How does E change with increasing radius? R

The electric field at a distance of 0.154 m from the surface of an insulating solid sphere of radius 0.385 m is 1970 N/C. Assuming that the charge on the sphere is uniformly distributed, a) what is the charge density within it? b) Calculate the electric field inside the sphere at a distance of 0.150 m from the center.

A -1.11 nC point charge is located inside a cavity of a hollow sphere of conducting material with charge 6.72 nC and of radius 10.0 cm.  Calculate the electric field 0.473 m from the point charge in units of N/C.  Assume answers are in the radial direciton such that if the field points radially away your answer will be positive and if the field points radially in your answer will be negative.  Give your numerical result to 3 significant figures and type in the units after your numerical answer.

In the figure a thin glass rod forms a semicircle of radius r = 4.74 cm. Charge is uniformly distributed along the rod, with +q = 4.39 pC in the upper half and -q = -4.39 pC in the lower half. What is the magnitude of the electric field at P, the center of the semicircle? P. Number i Units