Electrons accelerated from rest through 400 V are introduced at A into a uniform electric field E of intensity 150 V/cm as shown. If the electrons emerge at B 5x10-9 s later, determine (a) distance AB and (b) the angle 8. y B CO + +1 1+ + + 2
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- An evacuated tube uses an accelerating voltage of 26.026.0-kV to accelerate electrons to hit a copper plate and produce x-rays. Non-relativistically, what would be the maximum speed of these electrons? Enter your answer to 3 sigfigs in the coefficient and in calculator notation. Ex: 3.00E8. This problem required units.Answers: a) 3.3 C c/m² 6. Two electrons are fixed 2.00 cm apart. Another electron is shot from infinity and comes to rest midway between the two. What was its initial speed? Answer: 318 m/s350 / 746 110% 33. Four parallel plates are connected in a vacuum as in Figure 4. An electron, essentially at rest, drifts into the hole in plate X and is accelerated to the right. The vertical motion of the electron continues to be negli- gible. The electron passes through holes W and Y, then continues moving toward plate Z. Using the information given in the diagram, calculate (a) the speed of the electron at hole W (b) the distance from plate Z to the point at which the electron changes direction (c) the speed of the electron when it arrives back at plate X S a 37. I 38. f +4.0cm++4.0 cm+4.0 cm- t 3.0 x 102 V 5.0 x 10 V Figure 4 34. Two a particles, separated by an enormous distance, approach each other. Each has an initial speed of
- Problem 2: Consider the parallel-plate capacitor shown in the figure. The plate separation is 4.7 mm and the the electric field inside is 26 N/C. An electron is positioned halfway between the plates and is given some initial velocity, v₁. Randomized Variables d=4.7 mm E = 26 N/C Vi,a + + + + + + + + Part (a) What speed, in meters per second, must the electron have in order to make it to the negatively charged plate? dSuppose an electron (q= -e = -1.6 x 10^-19 C, m = 9.1 x 10^-31 kg) is accelerated from rest through a potential difference of Vab = +5000 V. Solve for the final speed of the electron. Express numerical answer in two significant figures. Use the template in the attached photo to solve for the problem.Question 1 a) In J. J. Thomson experiment (1897), an electron moving horizontally with a constant speed vo enters in between the horizontal plates of a capacitor. The electric field strength between the plates of length L and distance d, is E. The vertical deviation of the electron at the moment of exit from the field region is measured to be Y. Derive the expression giving the electron's charge to mass ratio, i.e. e/m to be 2v,Y/CEL). (Recall that Thomson received Nobel Prize for his achievement.) b) Calculate e/m, knowing the following data. E=1.6x10* Newton/Coulomb, L=10 cm, Y=2.9 cm, v=2.19x10* km/s. (Be careful to use coherent units.)
- Q. 31 : What will be the intensity due to infinity long conductor having linear charge density 4 µC/m at a distance 3.6 cm from its centre.... Path of trajectory AV w An electron is fired at a speed v¡ = 3.4 x 106 m/s and at an angle 0; = 30.5° between two parallel conducting plates as shown in the figure. If s = 1.5 mm and the voltage difference between the plates is AV = 98 V, determine how close, w, the electron will get to the %3D %3D bottom plate. Put your answer in meters and include at 6 decimal places in your answer. Do not include units. The x-axis of the coordinate system is in the middle of the parallel plate capacitor. Round your answer to 6 decimal places.Consider the oscillations of an electron in a plasma of electrons. let N be the number of electrons per cubic meter. Calculate the oscillation frequency v, in Hz O 17.96 N O 2.25 N O 8.98 N O 4.49 N O 13.47/N
- A uniform electric field is created by two horizontal parallel plate electrodes of length 10 cm separated by a vertical distance d = 5 cm and held at a potential difference V = 250V. A beam of electrons is introduced between the two plates with a horizontal velocity v = 5 x 106 m/s. What is the deflection distance towards the positive plate when the electron beam leaves the electric field?If a proton and electron are released when they are 2.0 m apart, find the initial acceleration of electron (in m/s2). The answer (in fundamental SI unit) is ___________An electron with kinetic energy K is traveling along the positive x-axis, which is along the axis of a cathode‑ray tube, as shown in the figure. There is an electric field E=18.0×104 N/C pointed in the positive y-direction between the deflection plates, which are 0.0600 m long and are separated by 0.0200 m. Determine the minimum kinetic energy ?minKmin the electron can have and still avoid colliding with one of the plates.