A hot cathode rod is placed such that it lies in the along the axis of a circular anode ring as shown in Figure. Charge density of the ring is A = 0.8 nC/m and the radius is R = 15 cm a) Assume that the potentail at infinity is zero, i.e. V = 0. What is the potential at the center of the ring? Give your answer to at least two significance digits. volts b) If the potential of the rod is given V = -3 volt, calculate the energy required for a charge of q1 = -14µC to travel from the cathode to the center of the anode. The distance between the anode and cathode is d = 17 cm. Energy required Give your answer to at least two significance digits. joules

A hot cathode rod is placed such that it lies in the along the axis of a circular anode ring as shown in Figure. Charge density of the ring is A = 0.8 nC/m and the radius is R = 15 cm a) Assume that the potentail at infinity is zero, i.e. V = 0. What is the potential at the center of the ring? Give your answer to at least two significance digits. volts b) If the potential of the rod is given V = -3 volt, calculate the energy required for a charge of q1 = -14µC to travel from the cathode to the center of the anode. The distance between the anode and cathode is d = 17 cm. Energy required Give your answer to at least two significance digits. joules

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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