We have a parallel plate capacitor with two plates containing charges + Q and -Q a distance d = 0.108 m apart. We release a proton from rest at point A, just above the lower plate. At point B, just before the proton strikes the upper plate, the proton has a kinetic energy of 1x10 18 J.A proton has a charge of 1.602 x 10-19C. What is the magnitude of the electric field between the plates (in V/m)? -Q A +Q V Answer: E = (express your answers in tenths place or one decimal digit only) m
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- Figure 1 shows two sets of equi-potential surfaces due to charge q₁ and charge 92. An external agent moves an electron (e = 1.6 × 10-¹⁹ C) from position a to position b. 50 V91 25 V 110 V 110 V 92 50 V Figure 1: Two sets of equi-potential surfaces a) State whether the charges q₁ and q2 are positive or negative. Justify your answer.A 0.079 μF capacitor is being held at a potential difference of 490 μV. a) What is the charge, in coulombs, on one of the plates? b) If you measure the size of each plate to be 49 cm2, how far apart are the plates, in micrometers? c) What is the magnitude of the electric field inside this capacitor, in newtons per coulomb?In the image given there are 3 charges along the y axis. it is your job to find an expression for electric potential at point P when : d <Consider a parallel-plate capacitor with plate separation d, plate area A, whose plates have charge ±Q. A particle of charge q < 0 and mass m is released from rest at the negative plate of the capacitor and allowed to accelerate towards the positive plate. With what speed does the charge strike the positive plate? Answer in terms of d, A, Q, q, m, and/or e0.A 1.8 mm by 2.6 mm plate capacitor has the plates separated by a distance of 0.12 mm. (a) When a charge 4.00 × 10 −11 C of charge is placed on the capacitor, what is the electric field between the plates? (b) If the electric field with the dielectric constant 130 is placed between the plates while the charges on the capacitor stays the same, what is the dielectric field in the dielectricProblem 13: Each plate of a parallel-plate capacitor has an area of A = 0.61 m2. The plate separation is 3.0 mm, and one of these plates is shown in the figure. It carries a charge of Q = 2.9 μC, which is concentrated on its inner surface. Imagine a cylindrical Gaussian surface, of radius r = 0.012 m, whose axis is perpendicular to the plates. One end of the cylinder is inside the plate shown and the other end is located between the plates. Both ends are parallel to the plates. Part (a) What is the flux through surface 1 Φ1, in newton meters squared per coulomb? Part (b) What is the flux through surface 2 (the outside of the cylinder not including the ends), in newton meters squared per coulomb? Part (c) What is the flux through surface 3 Φ3, in newton meters squared per coulomb? Part (d) Using all of your results, input an expression for the field within the capacitor E, in terms of the quantities given in the problem.The figure shows an electron entering a parallel-plate capacitor with a speed of 5.7×106 m/s. The electric field of the capacitor has deflected the electron downward by a distance of 0.618 cm at the point where the electron exits the capacitor. (Figure 1) Figure V + + + -2.25 cm- + + É + + + < 1 of 1 0.618 cm + Part A Find the magnitude of the electric field in the capacitor. 15| ΑΣΦ 3 E- 3662.75 ! Your answer should not contain commas. No credit lost. Try again. Part B Submit Previous Answers Request Answer www ||| ΑΣΦ v=6.36• 106 Submit Find the speed of the electron when it exits the capacitor. Provide Feedback www. ? Previous Answers Request Answer ? N/C m/s X Incorrect; Try Again; 29 attempts remaining Review your calculations and make sure you round to 3 significant figures in the last step.A parallel-plate capacitor has an area of 2.00 cm2, and the plates are separated by 2.00 mm with air between them. The capacitor stores a charge of 500 pC. (a) What is the potential difference across the plates of the capacitor? V(b) What is the magnitude of the uniform electric field in the region between the plates? N/COppositely charged parallel plates are separated by 5.36 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field strength between the plates? N/C(b) What is the magnitude of the force on an electron between the plates? N(c) How much work must be done on the electron to move it to the negative plate if it is initially positioned 2.92 mm from the positive plate? JOppositely charged parallel plates are separated by 3.77 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field between the plates? N/C(b) What is the magnitude of the force on an electron between the plates? N(c) How much work must be done on the electron to move it to the negative plate if it is initially positioned 2.66 mm from the positive plate? JThe electric field strength is 1.90×104 N/C inside a parallel-plate capacitor with a 0.600 mm spacing. An electron is released from rest at the negative plate. What is the electron's speed when it reaches the positive plate?An electron is shot vertically upward through the tiny holes in the center of a parallel-plate capacitor. If the initial speed of the electron at the hole in the bottom plate of the capacitor is 4.00 x 106 m/s, what will be the speed of the electron just when it reaches the hole in the top plate? d = 2.00 cm, Q = 30.0 pC, A = area of either plate = 25.0 cm2, melectron = 9.109 x 10-31 kg, and qelectron = 1.602 x 10-19 CSEE MORE QUESTIONS