A solid conducting sphere of radius 2.00 cm has a charge of 8.68 μC. calculate the magnitude  and direction of the electric field at the following radii from the center of the sphere. 1. r=1.00 cm 2. r=3.00 cm

A solid metal sphere of radius 1.50 mm carries a total charge of -7.60 μCμC . A) What is the magnitude of the electric field at a distance from the sphere's center of 0.05 mm ? B) What is the magnitude of the electric field at a distance from the sphere's center of 1.35 mm ? C) What is the magnitude of the electric field at a distance from the sphere's center of 1.55 mm ? D) What is the magnitude of the electric field at a distance from the sphere's center of 5.60 mm ?

A solid, insulating sphere of radius a = 2 cm has been charged uniformly by a density ρ = 300 µC/m3. The magnitude of the electric field (in N/C) at a point inside sphere 2 cm from its center is Select one: a. 0 N/C b. 2.26x 105 c. 4.5 x 105 d. 6.78 x 105 e. 7.22 x 105

A small rubber sphere has a mass of 3.64 g and a charge of -18.6 µC. It levitates, motionless, when placed in a uniform electric field perpendicular to the ground. What is the magnitude of the electric field (in N/C)? N/C What is the direction of the electric field? O upward O downward O east west

The figure shows a conductor with a hollow cavity inside. If the cavity contains a positive charge of Q = 4.20 nC, what is the electric flux through the closed surface indicated in the figure?  475 Nm2/C 0 Nm2/C 3.72×10-20 Nm2/C 2.11×10-21 Nm2/C

A thin, square, conducting plate 49.0 cm on a side lies in the xy plane. A total charge of 3.70 x 10-8 C is placed on the plate. You may assume the charge density is uniform. (a) Find the charge density on each face of the plate. C/m² (b) Find the electric field just above the plate. magnitude N/C direction -Select--- ✓ (c) Find the electric field just below the plate. magnitude N/C direction -Select--- ✓

A conducting sphere is placed within a conducting spherical shell. The conductors are in electrostatic equilibrium. The inner sphere has a radius of 1.50 cm, the inner radius of the spherical shell is 2.25 cm, and the outer radius of the shell is 2.75 cm. The inner sphere has a charge of 228 nC and the spherical shell has zero net charge. What is the electric field at a point 3.80 cm from the center? Enter a positive answer if the electric field is directed away from the center and a negative answer if the electric field is directed toward the center.

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

The electric field 25.0 cm away from a very long uniform line of charge is 620 N/C. What is the uniform charge density of this very long line? (so = 8.85 x 10-12 c²/Nm², k = 9.00 x 10⁹ Nm²/C²) 4.31 x 10-6 C/m 3.49 x 1011 C/m 8.62 x 10-9 C/m 8.62 x 10-6 C/m 3.49 x 107 C/m 4.31 x 10-9 C/m

Three charges are placed along the x-axis: q1 = 3.00 µC at X1 = -20.0 cm, q2 = -5.00 µC at x2 = 10.0 cm, and q3 = 6.00 µC at x3 = 25.00 cm. Determine the magnitude of the electric field at the origin. O 4 69x106 N/C O 2 96x106 N/C O 6 04x106 N/C O 4.31x106 N/C