Activity 1 You measure an electric field of 1.25 x 10 N/c at a distance of 0.150 m from a point charge. There is no other source of electric field in the region other than this point charge. (a) What is the electric flux through the surface of a sphere that has this charge at its center and that has radius 0.150 m? (b) What is the magnitude of this charge?
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- The electric field everywhere on the surface of a thin, spherical shell of radius 0.700 m is of magnitude 855 N/C and points radially toward the center of the sphere. (a) What is the net charge within the sphere's surface? 4.655e(-8 x nC (b) What is the distribution of the charge inside the spherical shell? O The positive charge has a spherically symmetric charge distribution. O The negative charge has a spherically symmetric charge distribution. O The negative charge has an asymmetric charge distribution. O The positive charge has an asymmetric charge distribution.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=__4. A point charge q=+15.0µC is located at the origin. A hollow spherical conductor of inner radius a=0.0500 m and outer radius b=0.0950 m is concentric with the point charge, and has a net charge Q= -20.0µC. Using Gauss's law, derive the equation for the magnitude of the electric field as a function of r. a
- A electric field at 3.8 cm from the centre of a long copper rod of radius 0.7 cm has a magnitude 3.6 N/C and is directed outward from the axis of the rod. Part 1 What is the charge per unit length of the copper rod? = number (rtol=0.03, atol=0) C/m Part 2 What would be the electric flux through a cube of side 8.0 cm situated such that the rod passes through the opposite sides of the cube perpendicularly? number (rtol=0.03, atol=0) Nm?/CIn the figure, a point charge 2.5 C is a distance d/2 directly above the center of a square of side 4.0 mm. What is the magnitude of the electric flux through the square?A point charge is located at the origin. Centered along the x axis is a cylindrical closed surface of radius 10 cm with one end surface located at x = 2 m and the other end surface located at x = 2.5 m. If the magnitude of the electric flux through the surface at x = 2 m is 4 N . m2 /C, what is the magnitude of the electric flux through the surface at x = 2.5 m? Select one: a. 1.8 N . m2 /C b. 2.56 N . m2 /C c. 1.0 N . m2 /C d. 4.0 N . m2 /C e. 5.0 N . m2 /C
- + a + A hollow sphere has a uniform volume charge density of 1.46 nC/m3. The inner radius is a = 11.7 cm and the outer radius is b = 46.8 cm. What is the magnitude of the electric field at 4.68 cm from the center of the sphere? What is the magnitude of the electric field at 145 cm from the center of the sphere?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 ) 0I Review A positive point charge q sits at the center of a hollow spherical shell. The shell, with radius R and negligible thickness, has net charge -2q. Part A Find an expression for the electric field strength inside the sphere, r R. Give your answer as a multiple of q/e0. ? Submit Request Answer 圓