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- An X-ray tube at a dentists office produces X-rays by striking a metal plate with a beam of electrons in an evacuated tube. The electric field generated in an X-ray tube is approximately 5 106 V/m. What is the energy density stored in this electric field?Electron guns are used in X-ray tubes. The electrons are accelerated through a relatively large voltage and directed onto a metal target, producing X-rays. (a) How many electrons per second strike the target if the current is 0.500 mA? (b) What charge strikes the target in 0.750 s?The diagram below illustrates an experiment with electrons. A beam of electrons iscreated using an electron gun, and deflected using an electric field. i.Explain how the electron gun creates a beam of electrons. Add to the diagramif that will help your explanation.ii.The electric field which deflects the beam is created by applying a potentialdifference of 2500 V across plates 9.0 cm apart. Show that the verticalacceleration of the electrons due to this field is about 5 × 1015 m s–2
- Electron guns are used in X-ray tubes. The electrons are accelerated through a large voltage and directed onto a metal target to produce X-ray. An electron beam has a flow of 6.1 × 1016 electrons every 2.0 seconds. What is the beam current in ampere (A)? The charge carried by every electron is -1.6 x 10-19 C. Please show your work.looking at the images write a short observation about the blue electrons on each of the images.Draw and label a schematic of a hollow cathode lamp. Describe each step of the light generation process as it occurs in a hollow cathode lamp
- Explain Faradays laws of electrolysis in details.Define superconducting magnet and its importance in field of Physics.There is an electric field between two plates, consider a few questions: If two charged plates are positioned ½ meter away from each other, and the strength of the field is 15V/m, what is the voltage in Plate B if plate A was stated to be 5 volts? What is the distance at which the Electric Field will reach < .0.005 V/m? Sample submission: 1234
- Two people are debating electron flow vs conventional flow . One of them says that you will get different results predicting polarity of voltage drops in a resistive circuit depending on which convention you are use . The other person says that the convention for labeling current does not matter at all and the correct polarities will be predicted either way . Which of these two people is correct explain why and give an example to prove your point periodIn the Millikan oil-drop experiment illustrated in the figure below, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates. Some of the droplets pick up one or more excess electrons. The charge on the plates is adjusted so that the electric force on the excess electrons exactly balances the weight of the droplet. The idea is to look for a droplet that has the smallest electric force and assume it has only one excess electron. Suppose we are using an electric field of 7.40 ✕ 104 N/C. The charge on one electron is 1.60 ✕ 10−19 C. Calculate the radius of an oil drop of density 888 kg/m3 for which its weight could be balanced by the electric force of this field on one electron.Define the electron-volt?