An evacuated tube uses an accelerating voltage of 40 kV to accelerate electrons to hit a copper plate and produce x-rays. (a) Calculate the work done in accelerating a single electron through this potential difference. W= J (b) Calculate the change in PE of a single electron through this potential difference. APE= J

An evacuated tube uses an accelerating voltage of 40 kV to accelerate electrons to hit a copper plate and produce x-rays. (a) Calculate the work done in accelerating a single electron through this potential difference. W= J (b) Calculate the change in PE of a single electron through this potential difference. APE= J

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter16: Electrical Energy And Capacitance

Section: Chapter Questions

Problem 25P: Calculate the speed of (a) an electron and (b) a proton with a kinetic energy of 1.00 electron volt...

See similar textbooks

Similar questions

Calculate the speed of (a) an electron and (b) a proton with a kinetic energy of 1.00 electron volt (eV). (c) Calculate the average translational kinetic energy in cV of a 3.00 102 K ideal gas particle. (Recall from Topic 10 that 12mv2 = 32kBT.)
A carbon nucleus and an iron nucleus are initially located 9.54 nm apart from one another. How much work would it take to move the carbon nucleus to a new distance of 3.39 nm from the iron nucleus? Question 5 options: 42.7 eV 55.5 eV 68.3 eV 29.9 eV
A 4.15-volt battery is connected across a parallel-plate capacitor. Illuminating the plateswith ultraviolet light causes electrons to be emitted from the plates with a speed of 1.76 ×10^6 m/s. (a) Suppose electrons are emitted near the center of the negative plate and travelperpendicular to that plate toward the opposite plate. Find the speed of the electrons whenthey reach the positive plate. (b) Suppose instead that electrons are emitted perpendicularto the positive plate. Find their speed when they reach the negative plate
0. A charged oil drop in Milli Kaus apparatus falls 1 mm at constant speed in a time 32.3 s if Vab = 0 the same drop can be held at rest between 2 plates separated by 1 mm if Vab=9.16 V. The excess electrons the drop has acquired is a. 3e b. 21 e 4 e d. 12 e نه ن ن ف نه 39.3 C. e. Vab viscosity of air is 1.81 x 105 ns/m2 Post = 824 kg/m³ 105 N/m² 2 Pair = 0 fecпили 612 824 x0.00l none of the above
An electron moves through a crossed field of 5000 V/m and 5 x 10-4 Wb/m², then its velocity is (a) (c) 106 m/s 108 m/s (b) 107 m/s (d) 10⁹ m/s
An electron accelerated in an x-ray tube hits an anode (positively charged plate) target. V = + High v m/s anode = 4ee6 kV 48 ee 464646 No No w a) Assuming all of its energy is transferred in generating x-rays, how fast is the electron moving when it reaches the anode target if it produces an x-ray with an energy of 60 keV. The mass of the electron is 9.1×10-31 kg. Hint: How is the energy of x-rays related to the KE of the electrons? How is the kinetic energy related to the speed? X-rays cathode b) What is the accelerating potential of the x-ray tube (potental difference between the anode and cathode) in part a)? Va Ponder: How large is this volatge? Remember the a regular AA battery has a voltage of 1.5 V.
If a doubly-ionized oxygen atom (O–2) is accelerated from rest by going through a potential difference of 32 V, what will be the change in its kinetic energy? a. 16 eVb. 32 eVc. 64 eVd. 51 eVe. none of the above
2. How strong is the electric field between two parallel5.8 mm apart if the potential difference between them is 220V? 3. The electric field between two parallel plates connected to a 50V battery is 200OV/m. How far apart are the plates? 4. Two parallel plates, connected to a 50V power supply, are separated by an air gap. How small can the gap be if the it is not become conducting by exceeding its breakdown value of E= 3x106 V/m?
A completely ionized beryllium atom (net charge = +4e) is accelerated through a potential difference of 6.0 V. What is the increase in kinetic energy of the atom? a. 0 eV b. 0.67 eVc. 12 eVd. 24 eV
Silver contains 5.8 * 1028 free electrons per cubic meter. At absolute zero, what is the speed of an electron with this energy?
In a Millikan experiment, two horizontal parallel plates are 3.5 cm apart. A sphere A whose mass is equal to 4.2 x 10^-17 kg remains in suspension, while the potential difference between the plates is 5.00 V and the upper plate is positive.a. Determine the charge on the sphere.b. What is the magnitude of the sphere's excess or deficiency of electrons?
What is the potential energy of an electron and a proton in a hydrogen atom if the distance between them is 5.3 x 10^-11 m? How much work is done by a silver nucleus with atomic number Z=47 with a potential difference of 220V?