Number 22 Figure P23.20b.3m3mm21. Suppose two plates lie in parallel horizontal plancs, one plateIn the xy plane at z 0 and the other plate in the plane thatis parallel to the xy plane at z = 10 mm. Between the plates isa constant clectric field directed vertically upward (that is, inthe positive z direction). A proton and an electron are launchedIn the positive x direction with the same initial velocity fromposition (0, 0, 5.0 mm). If the proton strikes a plate at (200 mm,0, 10 mm), where does the electron strike?+4omnd4).he23.5 Electric field of a charged particle22. Two uniformly charged pellets A and B are held some dis-tance from each other, and then the charge on A is doubled.Which of the following statements is most correct? (a) Themagnitude of the electric force exerted on A is doubledbecause the electric field at the position of A is doubled.(b) The magnitude of the eleetric force exerted on A is dou-bled because the electric field at the position of B is doubled.(() The magnittude of the electric force exerted on B is dou-bled because the electric field at the position of B is doubled.23. What is the magnittude of the electric field 200 mm awayfrom a particle carrying 3.0 pC of charge?OUESTIONS AND PROBLEMS425Cartestarons thanThe drop Chage necessary to restult in a ceflet of 1mmt acceptable lognore thedlectsof grvity n this cneer

The two uniformly charged pellets are : A and B Let the charge on A = qLet the charge on B = Q

Answered: 22. Two uniformly charged pellets A and…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter19: Electric Forces And Electric Fields

Section: Chapter Questions

Problem 32P

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Consider the charge distribution shown in Figure P23.85. (a) Show that the magnitude of the electric field at the center of any face of the cube has a value of 2.18keq/s2. (b) What is the direction of the electric field at the center of the top face of the cube?
A Figure P23.65 shows two identical conducting spheres, each with charge q, suspended from light strings of length L. If the equilibrium angle the strings make with the vertical is , what is the mass m of the spheres? Figure P23.65
Figure shows an electron passing between two charged metal plates that create an 100 N/C vertical electric field perpendicular to the electron’s original horizontal velocity. (These can be used to change the electron’s direction, such as in an oscilloscope.) The initial speed of the electron is 3.00×106 m/s , and the horizontal distance it travels in the uniform field is 4.00 cm. (a) What is its vertical deflection? (b) What is the vertical component of its final velocity? (c) At what angle does it exit? Neglect any edge effects.
An electron, inside an electric field region between two parallel plates as shown below, is projected upward at a speed of v0 = 5.83 x10^6 m/s and at an angle of θ = 39.0°; E = 1870 N/C (directed upward), d = 1.97 cm, and L = 6.20 cm. Will the electron strike one of the two plates? If yes, which plate will it stike and at what distance from the left edge?
(a) An electron is moving east in a uniform electric field of1.50 N/C directed to the west. At point A, the velocity of the electronis 4.50 * 10^5 m/s toward the east. What is the speed of the electronwhen it reaches point B, 0.375 m east of point A? (b) A proton is movingin the uniform electric field of part (a). At point A, the velocity ofthe proton is 1.90 * 10^4 m/s, east. What is the speed of the proton atpoint B?
A proton is initially moving horizontally at v0= 3 X 106 m/s when it enters a uniform electric field of 5.6 N/C directed vertically down. What are the horizontal and vertical components of its velocity 2.0 μs after entering the electric field?
A doubly charged helium atom, whose mass is 6.6 x 10-27 kgis accelerated by a voltage of 3200 V.(a) What will be its radius of curvature in a uniform0.240-T field? (b) What is its period of revolution?
An electron in a TV CRT moves with a speed of 6.00×107 m/s , in a direction perpendicular to the Earth’s field, which has a strength of 5.00×10−5 T . (a) What strength electric field must be applied perpendicular to theEarth’s field to make the electron moves in a straight line? (b) If this is done between plates separated by 1.00 cm, what is the voltage applied? (Note that TVs are usually surrounded by a ferromagnetic material to shield against external magnetic fields and avoid the need for such a correction.)
An electron in a TV CRT moves with a speed of 6.0 × 107 m/s, in a direction perpendicular to Earth’s field, which has a strength of 5.0 × 10−5 T. (a) Whatstrength electric field must be applied perpendicular to the Earth’s field to make the electron moves in a straight line? (b) If this is done between plates separated by 1.00 cm, what is the voltage applied? (Note that TVs are usuallysurrounded by a ferromagnetic material to shield against external magnetic fields and avoid the need for such a correction.)
A proton is initially moving horizontally at v0= 3x106 m/s when it enters a uniform electric field of 5.6 N/C directed vertically down. What are the horizontal and vertical components of its velocity 2.0 μs after entering the electric field?
An electron is traveling through a uniform electric field. The field is constant and given by E=(2.00×10−11N/C) i^− (1.20×10−11N/C) j^. At t=0 , the electron is at the origin and traveling in the x direction with a speed of 2.20 m/s. Part A) What is its position 2.50 s later? x= ? (in m) Part B) y=?
Consider two closely spaced and oppositely charged parallel metal plates. The plates are square with sides of length L and carry charges Q and -Q on their facing surfaces. What is the magnitude of the electric field in the region between the plates? Q/(epsilon naught)L^2 2Q/(epsilon naught)L^2 0 V/d

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