Charge A with value q = 2.4e-06 C is placed at position x = 0, y = 2.5 (units in meters), and charge B with q = -1.2e-06 is placed at x = -0.5 and y = -2.9. A test charge is placed at x = 2.4, y = 1.8. What is the x component of the electric field at C?  What is the y component of the electric field at C?

A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 12.0 cm, giving it a charge of -49.0 μC. Express your answer with the appropriate units. Enter positive value if the field is directed away from the center of the sphere and negative value if the field is directed toward the center of the sphere. Part A:Find the electric field just outside the paint layer. E=__ Part B:Find the electric field 6.00 cm outside the surface of the paint layer. E=__

A square plate of copper with 55.0 cm sides has no net charge and is placed in a region of uniform electric field of 75.0 kN/C directed perpendicularly to the plate. (a) Find the charge density of each face of the plate. |nC/m² nC/m? (b) Find the total charge on each face. nC nC

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.

A very long, uniformly charged cylinder has radius R and linear charge density λ. a. Find the cylinder's electric field strength outside the cylinder, r≥R. Give your answer as a multiple of λ/ε0. Express your answer in terms of some or all of the variables R, r, and the constant π.   b. Find the cylinder's electric field strength inside the cylinder, r≤R. Give your answer as a multiple of λ/ε0. Express your answer in terms of some or all of the variables R, r, and the constant π.

The electric field 1.3 m from a point charge has a magnitude of 11.5 × 105 N/C. What is the strength of the electric field at a distance of 9.4 m?

Charge Q acts as a point charge to create an electric field . Its strength measured from a distance of 30.0 cm away is 40.0 N/C. What is the magnitude of the electric field strength that you would expect to be measured at a distance of 45.0 cm away?

A +2.3 C charge is placed on the x-axis at ×=+2 m, and a -5.7 C charge is placed on they-axis at y = +4 m. What is the magnitude of the net electric field at the origin? What is the direction of the net electric field? Give your answer as a positive angle between 0° and 360°. If a +5 C charge is placed at the origin, what is the magnitude of the net electric force on the charge? What is the direction of the net force? Give your answer as a positive angle between 0° and 360°

The electric flux through a square-shaped area of side 3 cm near a large charged sheet is found to be 6.8 x 10-5 N m²/C when the area is parallel to the plate. What is the charge density on the sheet? Hint The charge density on the sheet is o = Submit Question # 3 E D 54 $ R F % G Search or type URL 5 T G pC/m². 6 MacBook Pro Y & 7 H U * 00 8 J ( 9 K ) 0

A 5 cm radius ball is charged to 190 nC. The charge is uniformly distributed throughout the volume of the ball. a. What is the charge density for this ball? ANS. 3.628733×10-4 C/m^3 b. How much charge is enclosed by a sphere of radius 1 cm concentric with the ball??