A Gaussian cube of edge length is located in the -space, as shown in the above figure. If the electric field in this space is expressed as
what is the net charge enclosed by the Gaussian cube?
The value of the permittivity constant is
The electric field in a certain device is vertically downward. At a height of from the bottom of the device the magnitude of electric field is and at a height of from the bottom the magnitude of electric field is If the bottom face of a cube with side length is at a height of from the bottom of the device, what is the approximate net amount of charge contained in the cube?
The value of the permittivity constant is
The above figure shows six charged particles, where three of them are enclosed by a Gaussian surface The cross section of a -D Gaussian surface is indicated as green ellipse. If and what is the net electric flux through the Gaussian surface?
The value of the permittivity constant is
Consider an isosceles right triangle of base as shown in the above figure. A proton is at a distance of directly above the midpoint of the hypotenuse What is the magnitude of the electric flux through the triangle?
The charge of a proton is and the value of the permittivity constant is
Consider a cylinder base which is perpendicular to the -axis, as shown in the above figure. At each point on the surface of the cylinder, the electric field is parallel to the -axis. The area of the base of the cylinder is and the height of the cylinder is On the top face of the cylinder the field is and on the bottom face it is What is the approximate net charge contained within the cylinder?
The value of the permittivity constant is