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27 Nov 2019

Oppositely charged parallel plates are separated by 5.36 mm. Apotential difference of 600 V existsbetween the plates.

(a) What is the magnitude of the electricfieldstrength between the plates?
1 N/C
(b) What is the magnitude of the force on an electron betweentheplates?
2 N
(c) How much work must be done on the electron to move it tothenegative plate if it is initially positioned 2.93 mm from thepositive plate?
3 J

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Keith Leannon
Keith LeannonLv2
2 Jul 2019
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

a) Two parallel plates are separated by 2.0 cm and have apotential difference between them of 30 V. The mass of an electronis 9.1 x 10^-31kg and the charge of an electron is 1.6 x 10^-19 C.The electron field between the plates is constant in magnitude anddirection. What is the magnitude of the electric field between theplates?

b) The capacitance of the parallel plates is 3.7 μF. What is themagnitude of the charge on each plate?

c) If an electron is initially at rest on the negatively chargedplate, and is allowed to accelerate toward the positive plate, whatis the speed of the electron just before it hits the positiveplate?

Two facing surfaces of two large parallel conductingplatesseparated by 11.5 cm haveuniform surface charge densitiessuch that are equal in magnitudebut opposite in sign. Thedifference in potential between theplates is 600 V.

(a) Is the positive or the negative plate at thehigherpotential?
thepositive platethenegative plate



(b) What is the magnitude of the electric field betweentheplates?
kV/m

(c) An electron is released from rest next to the negativelychargedsurface. Find the work done by the electric field on theelectron asthe electron moves from the release point to thepositive plate.Express your answer in both electron volts andjoules.
eV
J

(d) What is the change in potential energy of the electron whenitmoves from the release point to the positive plate?
eV

(e) What is its kinetic energy when it reaches thepositiveplate?
eV

Two facing surfaces of two large parallel conductingplatesseparated by 11.5 cm haveuniform surface charge densitiessuch that are equal in magnitudebut opposite in sign. Thedifference in potential between theplates is 600 V.

(a) Is the positive or the negative plate at thehigherpotential?
thepositive platethenegative plate



(b) What is the magnitude of the electric field betweentheplates?
kV/m

(c) An electron is released from rest next to the negativelychargedsurface. Find the work done by the electric field on theelectron asthe electron moves from the release point to thepositive plate.Express your answer in both electron volts andjoules.
eV
J

(d) What is the change in potential energy of the electron whenitmoves from the release point to the positive plate?
eV

(e) What is its kinetic energy when it reaches thepositiveplate?
eV

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