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- The two spherical shell has a charge of q1 = 0.30nC and q2 = 0.5nq. The radius of rq=7.5cm and r2 = 2.5cm. %3D What is the voltage of spherical shell in volts, with radius r2? 92are the charge A helium nucleus, called an alpha particle, has a charge of 2e and mass of 4mp, where e and and mass of a proton, respectively. mp Starting from rest, a proton and an alpha particle are accelerated through a constant electric field E. After a time At, which particle has more kinetic energy? O (a) The alpha particle O (b) They have the same kinetic energy O (c) The protonWhich statements A to E are true? In the process of electrostatic induction OA negative and positive charges are separated O B. a charge is produced by friction OC. a positive charge induces a positive charge O D. electrons are injected into an object O E. a conductor is rubbed with an insulator
- A long cylinder of radius R is made of the dielectric material with Er=4. a) What is the permittivity of the material, in F/m? b) What is the electric displacement inside the cylinder?A homemade capacitor is assembled by placing two 8-in. pie pans 6 cm apart and connecting them to the opposite terminals of a 9-V battery. Part A Estimate the capacitance. Express your answer using one significant figure. 国 C = 5.74 • 10 - 10 F Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remainingHow much work is required to put enough charge on the Reyenu Hall Van de Graff generator’s globe so that the field strength at the surface of the globe is at the threshold for dielectric breakdown? Treat the globe as an isolated sphere. the dimension of the Van de graph generator is radius 0.15m