A spherical, non-conducting shell of inner radius r1= 10 cm and outer radius r2 = 15 cm carries a total charge Q = 15 ?C distributed uniformly throughout the volume of the shell
What is the magnitude of the electric field at a distance r = 12 cm from the center of the shell? (k = 1/4??0 = 8.99 × 109 N ? m2/C2) A) 5.75 × 103 N/C
B) zero
C) 2.87 × 106 N/C
D) 5.75 × 106 N/C
E) 2.87 × 103 N/C
C
You might also like to view...
Which of the following critical features of the heliocentric model leads to Venus exhibiting a full range of phases?
A) When Venus is closer to the Sun, it moves faster. B) Venus passes on the far-side of the sun from the Earth's perspective. C) Venus physically distorts from a sphere as it orbits the sun.
Our Milky Way is part of ________ which has about ________ member galaxies.
A. the coma cluster; 500 B. the beehive association; 100 C. the Pleiades; 3 D. the local group; 30
A bullet is fired horizontally at a target 20 m away. The velocity of the bullet as it leaves the gun is 200 m/s. How much, approximately, will the bullet drop on its way to the target?
A. 0.4 m B. 0.3 m C. 0.2 m D. 0.05 m E. 0.1 m
Wave Characteristics: An electromagnetic wave travels in free space in the +y direction, as shown in the figure. If the electric field at the origin is along the +z direction, what is the direction of the magnetic field?
A. +z B. -z C. +y D. +x E. -x