Read each part carefully. Show all your work for each part of the question. The parts within the question may not have e
Posted: Fri Mar 04, 2022 10:18 am
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(a) Describe the acceleration of sphere Y as sphere Y is brought closer to sphere X
(b) The charge on sphere Y is increased to +2Q. and it again starts from rest at the same initial location and is acted upon by an identical constant external force F The closest distance between the centers of the spheres is Is to greater than, less than or equal to ti? Explain your answer
Sphere B Sphere A Rp=2RA = RA +Q +Q Note: Figure not drawn to scale. Two conducting spheres, A and B are both charged with charge + The spheres are far apart compared to their size. The radius of sphere B is twice the radius of sphere A Sphere A is connected by a wire to a resistor R. which is connected to an open switch S. Sphere B is connected by a wire to the opposite side of switch S, as shown in the figure above (c) Is the electric field at the surface of sphere A greater than, less than or equal to the electric field at the surface of sphere B? Justify your answer
At time t = switch S is closed. Immediately after the switch is closed, the current in the resistor is 11. (d) Immediately after the switch is closed, is there a current in switch S? If there is a current in switch S, indicate the direction of this current. Justify your answer.
IA IR IR 나 -to - O Graph 1 Graph 2 Graph 3 (e) Which of the graphs above shows the current in the resistor Ir as a function of time t? Justify your answer.
Switch S is reopened and the spheres are grounded. Spheres A and B are again both charged to +Q. An identical resistor R is added in series with the original resistor R. as shown in the figure below. Sphere B Sphere A RB = 2RA R IA +Q +Q R vis R Note: Figure not drawn to scale. (1) Switch S is again closed. Immediately after the switch is closed, the current in the resistor is Is Is I greater than, less than or equal to I? Justify your answer in terms of relevant physics principles
(g) Switch S is opened and the spheres are grounded. Sphere A is again charged to +Q and is then placed inside a conductive spherical shell such that the sphere and shell do not touch. The shell is given a net charge of +Q. In this configuration, what is the total charge located on the inner surface of the shell? Justify your answer.