The potential at the surface of a sphere (radius R) is given by Vo = k cos (30) , where k is a constant. a) Find the potential inside the sphere. b) Find the potential outside the sphere. c) Calculate the surface charge density o(0).
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- In the movie Infinity War, the character Thanos snaps his fingers and a brief instant later, billions of people all over the universe vanish in a puff of smoke. Which of the following statements best describes why it is impossible to say with certainty that it was actually Thanos's finger snap that caused all of those people to vanish? O Most of the people who vanished were located outside the magnetic field of Thanos's home planet There exist reference frames from which you'd observe that Thanos's finger snap happened after some people vanish There exist reference frames from which you'd observe that Thanos's finger snap happened before the people vanish The was too great of a time delay between Thanos's finger snap and the vanishing eventWhat is the idea behind the magnetic vector potential? What does it accomplish, why might we care about it? In what ways is it like (or NOT like!) the electric potential?A proton, that is accelerated from rest through a potential of 20.0 kV enters the velocity filter, consisting of a parallel-plate capacitor ănd a magnetic field, shown below. E B The E-field between the parallel capacitor plates is 3.7.105 N/C. What B-field is required so that the protons are not deflected? (Ignorė relativistic effects for high velocities.)
- Electric and magnetic interactionsam not sure with my answers but please solveA proton is located at (0,0,0) at t=0 and has a velocity (0,v,0), where v is positive. The space is subject to magnetic field (0,0,B) where B is positive. As always, use CGS! a) Draw a sketch of the closed-loop trajectory of the proton. b) Will the magnitude of proton’s velocity change as a function time? Why? Prove it. c) Calculate ?⃗ (?) -- the position of the proton as a function of time in Cartesian coordinates. The final solution should not depend on any new variable – only time, initial velocity v, mass of the proton m, proton charge +e, field B. d) Write out the atomistic current density of the proton.e) Calculate the time-averaged current I due to the motion of the proton. Add it to the sketch. f) Based on this current, what is the field (as always, direction and magnitude) in the center of proton’s trajectory. Do not solve the integral, just give and draw the solution.Electric and magnetic interactionsam not sure with my answers but please solve
- I need help with all of these parts, because I don't understand it cause you help me with it and can you label itThis question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise A cosmic-ray proton in interstellar space has an energy of 21.8 MeV and executes a circular orbit having a radius equal to that of Mercury's orbit around the Sun (5.80 × 1010 m). What is the magnetic field in that region of space? Part 1 of 3 - Conceptualize A very large orbit radius indicates that the magnetic field in this interstellar space is a very small fraction of a tesla. Part 2 of 3 - Categorize When the proton, with a charge of the same magnitude as the electron charge, accelerates through a potential difference given in volts, the kinetic energy it receives is commonly expressed in electron volts. We will use the energy version of the isolated system model applied to the particle and the electric field that accelerates it from rest to allow us…1.) See photo for question
- Describe the magnetic field that exists between the plates of a charging or discharging capacitor with parallel circular plates. The magnetic field lines are straight lines perpendicular to the plates (ignoring fringing at the edges.) The magnetic field lines are straight lines parallel to the plates (ignoring fringing at the edges.) There is no magnetic field between the plates. The magnetic field lines are circles around an axis perpendicular to the plates (ignoring fringing at the edges.)A current is traveling from over your head to your feet. The B-field is traveling from in front of you What is the direction of the force on the current carrying wire? to behind you.Electric and magnetic interactionsam not sure with my answers but please solve