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- O A charge -300e is uniformly spread through the volume of a sphere of radius 2.00 cm. What is the volume charge density in that sphere?Find the ratio of q/Q for the E-field to be zero at adistance of z = 3.20R for the charge distributionand geometry of problem #30 of the text. a isthe charge on the LARGER ring. Q is the chargeon the SMALLER ring. Answer in 5 Significant Figures!!Two non-conducting spheres of radii R1 and R2 are uniformly charged with charge densities p1 and p2 , respectively. They are separated at center-to-center distance a (see below). Find the electric field at point P located at a distance r from the center of sphere 1 and is in the direction from the line joining the two spheres assuming their charge densities are not affected by the presence of the other sphere. (Hint: Work one sphere at a time and use the superposition principle.)
- Consider a uranium nucleus to be sphere of radius R=7.41015 m with a charge of 92e distributed uniformly throughout its volume. (a) is the electric force exerted on an electron when it is 3.01015 m from the center of the nucleus? (b) What is the acceleration of the electron at this point?Find the electric field at P for the charge configurations shown below.Repeat your calculations for the preceding problem, given that the charge is distributed uniformly over the surface of a spherical conductor of radius 10.0 cm.
- Find the ratio of q/Q for the E-field to be zero at adistance of z = 3.52R for the charge distributionand geometry of problem #30 of the text. a isthe charge on the LARGER ring. Q is the chargeon the SMALLER ring.In spherical coordinates, V = -25 volts on a conductor at r = 2 cm and V = 150 volts at re 35 cm. The space between the conductors is a dielectric for which E,= 3.12. Find the surface charge densities on the conductors.ex: Two identical bedds each have dmass (m) dnd Charge ca). They placed inahemispherical bouwL of Yadius (R) ds shown in fiqure(1) suppose The bowL walls are frictionless and non- Conducting Than, the bedds will move, and dt equilibriums They became adistance (d) a part. Determine The charge (a) on edch bedd. mY+ Figure(L)
- Problem 1: A spherical conductor is known to have a radius and a total charge of 10 cm and 20uC. If points A and B are 15 cm and 5 cm from the center of the conductor, respectively. If a test charge, q = 25mC, is to be moved from A to B, determine the following: What isThe work done in moving the test charge;The figure below is a cross section of three non . plates conductor of infinite width, where the charge is evenly distributed. 01 02 (1/2) L . 2L R 03 The charge density on the surface of each plate is 1 = - 3µC/m2, 2 =+ 5µC/m2 , 3 = - 5µC/m2 , and L = 2 cm. In vector notation, what is the field net electricity at points P and R?Let k denote 1/47eg. The magnitude of the electric field at a distance r from an isolated pointparticle with charge q is: