B) mechanical energy is conserved here. The kinetic energy gets
converted into the potential energy of the electron.
1. E (a) Calculate is the change in PE when an electron moves through an electric...
Q5. A uniform electric field of magnitude E 360 V/m is directed in the positive X direction. A proton moves from the origin to the point (x, y)-(30.0 cm, 40.0 cm). (a) Through what potential difference does the charge move? Show your work to score. (b) What is the change in the potential energy of the charge field system? Show your work to score. (c) In this uniform electric field E mentioned above, if an electron was released at rest...
elp with physics 102
An electron moves through a region of crossed electric and magnetic fields. The electric field E = 2 000 V/m and is directed straight down. The magnetic field B = 0.80 T and is directed to the left. Specify the directions of electric and magnetic forces on the electron if it moves into the paper. For what velocity v of the electron will the electric force exactly cancel the magnetic force? A rod(length = 10 cm)...
Question 3 1 pts When electron moves in the direction which is against direction of electric field lines we can conclude that: e. both its electric potential and electric potential energy stay constant. c. it moves from high potential to low potential and its electric energy increases. it moves from low potential to high potential and its electric energy increases. it moves from high potential to low potential and its electric energy decreases. it moves from low potential to high...
When electron moves in the direction which is against direction of electric field lines we can conclude that: c. it moves from high potential to low potential and its electric energy increases. it moves from high potential to low potential and its electric energy decreases. e. both its electric potential and electric potential energy stay constant. it moves from low potential to high potential and its electric energy increases. it moves from low potential to high potential and its electric...
An electric field of strength E = 4700 N/C is directed along the
+x-axis as shown.
An electric field of strength E = 4700 N/C is directed along the +x-axis as shown. What is the magnitude of the potential difference between point B and point A if the distance between these two points is 10 cm? An electron is initially at rest at point B. How much kinetic energy (in electron-Volts, or eV) will the electron gain by moving to...
Problem 1 An electron moves in a uniform electric field, E 2 x 10° N/C from point A to point B. The distance between points A and B is 0.75m. The direction of the electric field is from point B to point A. (i) Determine the force on the electron. (ii) Determine the work done by the electric field. (i) Determine the potential difference Va - VB
A uniform electric field is
shown below. Draw equipotential surfaces. In which direction does
the voltage decrease? If an electron is placed in the electric
field at rest, draw the direction of the force. The electron moves
from higher potential point to lower potential point or the other
way around? If the potential difference between two locations of
the electron is 5V, what is the change in potential energy of the
electron. What is its speed at the end of...
3. Dielectric breakdown of a gas (a) An electron starts from rest and moves a distance under the influence of a unifornm electric field of magnitude E. Assume that the displacement is in the direction of the electric field. What is the final kinetic energy of the electron? Give your answer in terms of q - charge of the electron, m-mass of the electron. E and (b) Suppose the final kinetic energy of the electron is 10 eV and 1...
An electron moves through a uniform electric field vector E = (2.40î + 5.70?) V/m and a uniform magnetic field vector B = 0.400k T. Determine the acceleration of the electron when it has a velocity vector v = 6.0î m/s. ax= ay= az=
1. An electron travels through an electric field. The kinetic energy of the electron changes from 4.00 x 10-18 J to 3.95 x 10-18 J. Determine: a) the change in kinetic energy of the electron, b) the fall in electrical potential (voltage). c) its total energy (EPE + EC), at any point in its trajectory. (Remember the energy is conserved.) (EPEinitial = 0.00 J)