What Is The Electric Field Inside The Marble

The electric field inside the dome of a highly charged van de graaff generator is.

What is the electric field inside the marble. The electric field inside a metallic conductor is. Coaxial o figure 10 coaxial cable equipotential and electric field lines. The electric field has already been described in terms of the force on a charge if the electric potential is known at every point in a region of space the electric field can be derived from the potential. The electric field of an infinite cylindrical conductor with a uniform linear charge density can be obtained by using gauss law considering a gaussian surface in the form of a cylinder at radius r r the electric field has the same magnitude at every point of the cylinder and is directed outward the electric flux is then just the electric field times the area of the cylinder.

The nichrome wire is replaced by a wire of the same length and diameter but with electron mobility 4 times as large as that of nichrome. Deriving electric field from potential. Since the electric field in a conductor must be zero the potential at all points of a conductor must be the same. Check all that apply.

The result for the sphere applies whether it s solid or hollow. As a result the piece of fabric acquires extra electrons. What happens to the glass marble. That s a pretty neat result.

Show transcribed image text. Electric fields originate from electric charges or from time varying magnetic fields electric fields and magnetic fields are both manifestations of the electromagnetic force one of the four fundamental forces. Electric fields are created by potential differences over a distance. What happens to the glass marble.

Gauss law tells us that the electric field inside the sphere is zero and the electric field outside the sphere is the same as the field from a point charge with a net charge of q. In vector calculus notation the electric field is given by the negative of the gradient of the electric potential e grad v. What is the field inside the inner conductor between the two conductors and outside the outer conductor. A glass marble is rubbed against a piece of silk.

The marble has lost the same number of electrons acquired by the piece of silk. The electric field inside this wire is 1 974 v m. As a result the piece of fabric acquires extra electrons. Electric field lines have arrows to indicate direction.

If something is surrounded by a conductor and there are no field sources charges inside then there can be no potential difference between any two points inside.