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A long cylinder with a charge density p find the electric field E inside and outside of this cylinder?
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How is the strength of an electric field indicated with electric field lines?
Given a positive charge the electric field lines are drawn starting from the charge and pointing radially outward, ending in principle at infinity, according to the electric field strength being proportional to the inverse square of distance. From the definition of electric field we know that the modulous of the electric field is greater for smaller distances from the field generating charge. Since the electric field lines point radially outward we consider the density of lines an indication of the strength of the electirc field. If we immagine to trace a circle around the electric field generating charge, of radius slightly greater than the radius of the object which holds the charge and therefore generates the electric field, such circle will be crossed by a number 'n' of lines. The density of lines crossing the cirle will then be the circumference of the circle divided by the number 'n' of lines. For a larger circle we will have a greater circumference, but same number of lines 'n', and therefore a smaller density of lines crossing it, which idicates a lower intesity of electric field for a greater distance from the charge.
When electric flux is zero then electric field is also zero why?
The electric flux depends on charge, when the charge is zero the flux is zero. The electric field depends also on the charge. Thus when the electric flux is zero , the electric field is also zero for the same reason, zero charge. Phi= integral E.dA= integral zcDdA = zcQ Phi is zcQ and depends on charge Q, as does E.
What is the physical meaning of charge density on lines or on areas?
Every object consists of a certain amount of positive charge and a certain amount of negative charge. For neutral objects, the amount of each type of charge is equal in every tiny, or infinitesimal, portion of the object. If the object has the shape of a line, the amount of positive charge in each tiny segment of length along the line is equal to the amount of negative charge in each tiny segment of length. For a neutral three-dimensional object, such as a cube, the amount of negative charge in each small volume element of the total volume of the cube is equal to the amount of positive charge in each small volume element. All neutral objects have a charge density of zero throughout their volumes despite the fact that they have charge. The charge density describes the amount of excess charge per given region of space. For objects that are not neutral, then, the charge density is either positive or negative. A positive charge density expresses the fact that an object has a given amount of positive charge more than it has negative charge in a specific region of space. Likewise, a negative charge density means the object has a given amount of negative charge more than positive charge for a given region of space. For a line of charge, the charge density is expressed as Coulombs per meter when using SI units. For a two-dimensional object, such as a disk, the charge density using SI units is Coulombs per (meter^2). For objects that have uniform excess charge throughout their volume, the charge density is expressed as the total amount of excess charge on the body divided by the total length/ area/ volume of the body. For objects that have nonuniform charge excesses, the charge density must be expressed as a function of position (and possibly, time) within the object.
What is dimensional formula of coulomb?
The Coulomb is a unit of electric charge. [Charge] is a fundamental quantity.
What is an electric charge less than zero?
Compound
What is the Difference between line charge density and surface charge density?
Line charge density refers to charge distributed along a one-dimensional line, such as a wire. Surface charge density, on the other hand, refers to charge distributed over a two-dimensional surface, such as a plate. The units of line charge density are charge per unit length (C/m), while the units of surface charge density are charge per unit area (C/m²).
When you adjust print density with laser printers you are adjusting the charge on the developing cylinder?
Because they do.
What is the electric field outside a charged spherical shell?
Outside a charged spherical shell, the electric field behaves as if all the charge is concentrated at the center of the shell. This is known as Gauss's Law for a spherical surface, which states that the electric field at a distance r from the center of a charged spherical shell is equivalent to that of a point charge with the same total charge as the shell at the center. Therefore, the electric field outside a charged spherical shell decreases with the square of the distance from the center of the shell.
What type of electric charge does a electron have?
They are negatively charged particles. electrons are found inside an atom, outside its nucleus.
Electric field inside the cylinder which is cylindrically symmetric?
For a cylindrically symmetric charge distribution, the electric field inside the cylinder is also cylindrically symmetric. This means that the electric field points radially outwards or inwards along the axis of the cylinder with the magnitude dependent on the charge distribution. The electric field can be calculated using Gauss's law and applying symmetry arguments to simplify the problem.
What is Charge Density?
In electromagnetism, charge density is a measure of electric charge per unit volume of space, in one, two or three dimensions. More specifically: the linear, surface, or volume charge density is the amount of electric charge per unitlength, surface area, or volume, respectively. The respective SI units are C·m−1, C·m−2 or C·m−3.[1]Like any density, charge density can depend on position, but because charge can be negative - so can the density. It should not be confused with the charge carrier density, the number of charge carriers (e.g. electrons, ions) in a material per unit volume, not including the actual charge on the carriers.In chemistry, it can refer to the charge distribution over the volume of a particle; such as a molecule, atom or ion. Therefore, a lithium cation will carry a higher charge density than a sodium cation due to the lithium cation's having a smaller ionic radius, even though sodium has more electrons (11) than lithium (3).
Electric charge is uniformly distributed on the surface of a spherical balloon. Show how electric intensity and electric potential vary (a) on the surface (b) inside and (c) outside?
(a) On the surface of the balloon, the electric intensity is perpendicular to the surface and is constant. The electric potential varies across the surface with the highest value at the region of highest charge density. (b) Inside the balloon, the electric intensity and potential will be zero since the Gaussian surface does not enclose any charge. (c) Outside the balloon, the electric intensity decreases inversely with the square of the distance from the center of the balloon, while the electric potential also decreases with distance, following a similar inverse square law.
When you adjust print density with laser printers you are adjusting the blank charge on the developing cylinder?
DC bias
What is the charge density for a conductor?
The charge density for a conductor is zero in the bulk of the material when it is in electrostatic equilibrium. Any excess charge resides on the surface of the conductor. This is due to the principle that charges in a conductor distribute themselves in such a way that the electric field inside is zero.
What is the overall electric charge in the nucleus?
The overall electric charge in the nucleus is positive due to the presence of protons, which carry a positive charge. This positive charge is balanced by the negatively charged electrons outside the nucleus in an atom.
What is the conservation of charge law from maxwell's equations?
The conservation of charge law from Maxwell's equations states that the total electric charge within a closed system remains constant over time. This means that electric charge cannot be created or destroyed, only transferred from one object to another. Mathematically, this is represented by the divergence of the electric current density being equal to the negative rate of change of the charge density.
What kind of particles are outside the nucleus of an atom and what electric charge do they have according to niels bohr?
the particles outside nucleus are electrons. and they are negatively charged
