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What is the relationship between the electric field and surface charge at a conductor?
The electric field inside a conductor is zero, and the surface charge resides on the outer surface of the conductor. This means that the electric field at the surface of a conductor is perpendicular to the surface and proportional to the surface charge density.
How can we calculate the electric field just outside the surface of the inner sphere?
To calculate the electric field just outside the surface of the inner sphere, you can use the formula for electric field strength, which is E k Q / r2, where E is the electric field strength, k is the Coulomb's constant, Q is the charge on the inner sphere, and r is the distance from the center of the inner sphere to the point just outside its surface.
What happens when an isolated conductor is statically charged?
When a conductor is statically charged, excess charge accumulates on its surface. This charge distribution creates an electric field within the conductor that repels like charges and attracts opposite charges. As a result, the charges redistribute themselves on the surface of the conductor until the electric field inside the conductor becomes zero.
Why electric field lines are always perpendicular to the surface of the conductor?
Electric field lines are always perpendicular to the surface of a conductor because in electrostatic equilibrium, the electric field inside a conductor is zero. Any component of the electric field parallel to the surface would result in the flow of charges until the electric field is perpendicular to the surface, ensuring a state of equilibrium.
Does charge inside a conductor exert electric field on another charge placed outside the conductor?
Yes, the charges inside a conductor will rearrange when an external charge is placed near or on the surface of the conductor, resulting in an induced electric field inside the conductor. This induced electric field will influence the external charge's behavior without the need for direct contact between the charges.
What is the relationship between the electric field and surface charge at a conductor?
The electric field inside a conductor is zero, and the surface charge resides on the outer surface of the conductor. This means that the electric field at the surface of a conductor is perpendicular to the surface and proportional to the surface charge density.
How can we calculate the electric field just outside the surface of the inner sphere?
To calculate the electric field just outside the surface of the inner sphere, you can use the formula for electric field strength, which is E k Q / r2, where E is the electric field strength, k is the Coulomb's constant, Q is the charge on the inner sphere, and r is the distance from the center of the inner sphere to the point just outside its surface.
What happens when an isolated conductor is statically charged?
When a conductor is statically charged, excess charge accumulates on its surface. This charge distribution creates an electric field within the conductor that repels like charges and attracts opposite charges. As a result, the charges redistribute themselves on the surface of the conductor until the electric field inside the conductor becomes zero.
Why electric field lines are always perpendicular to the surface of the conductor?
Electric field lines are always perpendicular to the surface of a conductor because in electrostatic equilibrium, the electric field inside a conductor is zero. Any component of the electric field parallel to the surface would result in the flow of charges until the electric field is perpendicular to the surface, ensuring a state of equilibrium.
Does charge inside a conductor exert electric field on another charge placed outside the conductor?
Yes, the charges inside a conductor will rearrange when an external charge is placed near or on the surface of the conductor, resulting in an induced electric field inside the conductor. This induced electric field will influence the external charge's behavior without the need for direct contact between the charges.
What is the relationship between the distribution of charges and the electric potential in a conductor?
In a conductor, the distribution of charges affects the electric potential. Charges tend to distribute themselves evenly on the surface of a conductor, creating a uniform electric potential throughout. This means that the electric potential is the same at all points on the surface of the conductor.
Why aconductor is an equipotential surface?
A conductor is an equipotential surface because the electric field inside a conductor is zero in electrostatic equilibrium. This means that all points on the conductor have the same electric potential, making it an equipotential surface. Any excess charge on the conductor redistributes itself to ensure this equal potential.
What is the relationship between the central charge and the electric field distribution within a spherical conductor with a cavity?
The central charge of a spherical conductor with a cavity affects the electric field distribution within the conductor. The electric field inside the conductor is zero, and the charge is distributed on the surface. The central charge influences how the charge is distributed on the surface, which in turn affects the electric field distribution within the conductor.
What is the electric field on the surface of the conductor?
The field is zero inside only if any charge is evenly distributed on the surface. That's a mathematical theorem, sorry I don't have the proof handy. But when you measure the electric field inside a charged sphere, the charge you use might be large enough to redistribute the surface charge. In this case the electric field will not be zero. Only if you measure at the centre.
What is the relationship between the electric potential outside a conducting sphere and its potential at the surface?
The electric potential outside a conducting sphere is the same as the potential at its surface.
What factors determine the electrostatic equilibrium of a conductor near an electric charge?
The factors that determine the electrostatic equilibrium of a conductor near an electric charge are the distribution of charges on the conductor's surface, the shape of the conductor, and the presence of other nearby charges.
What is the relationship between the electric potential inside a conductor and its properties?
The electric potential inside a conductor is constant and does not depend on the properties of the conductor. This is known as the electrostatic equilibrium condition. The properties of the conductor, such as its shape and material, only affect the distribution of charges on its surface, not the electric potential inside.
