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free electron hav random motion in all posible

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How electric current flow in metal?

Electric current flows in metals due to the movement of free electrons. When a voltage is applied across a metal conductor, the electric field created causes the free electrons to move in the direction of the field, creating a flow of charge which we refer to as electric current.


What happens to the needle of a compass as a wire carrying electric current is placed across it?

The needle of a compass will deflect from its original position when a wire carrying an electric current is placed across it. This is due to the magnetic field created by the current in the wire, which interacts with the magnetic field of the compass needle, causing it to move.


What is the relationship between the electric field and current in a circuit?

The electric field in a circuit is directly related to the current flowing through it. The electric field is what drives the flow of electric charge, which is the current. In other words, the presence of an electric field is necessary for current to flow in a circuit.


What is the process by which electric current is generated by placing a wire in a field?

electromagnetic induction


Can moving electrons through a magnetic field can produce an electric current?

Yes, a moving electron in a magnetic field can induce an electric current. This is the principle behind electromagnetic induction, where a changing magnetic field induces an electric current in a conductor.


For a coil with electric current where is the energy associated with the magnetic field of the electric current stored?

The Magnetic field itself can do no work and is a byproduct of the electric current. The energy is stored in the current or provided by whatever drives the current.


What controls the flow of current with an electric field?

The flow of current in a material is controlled by its conductivity, which is influenced by the presence of an electric field. When an electric field is applied, it can cause charged particles in the material to move, resulting in the flow of current. The conductivity of the material determines how easily current can flow in response to the electric field.


What actually causes the electrons to move?

Electron movement is primarily caused by an electric field. When a voltage is applied across a conductor, such as a wire, the electric field pushes the free electrons in the conductor to move in a particular direction, creating an electric current.


Which of the following are created by an arrangement of electric charge or a current?

for apex its: a quantum field, a gravitational field


Can an electric current produce a field magnetism around it?

yes. electric current low always generates a magnetic field.


What is an electrical current that produces a magnetic field?

The deflection of a magnetic compass in the presence of an electric current, is evidence that an electric current produces a magnetic field.


Device that produces current by moving a magnetic field across a wire?

This device is called a generator. When a magnetic field is moved across a wire, it induces a flow of electrons in the wire, creating an electric current. Generators are commonly used to convert mechanical energy into electrical energy in power plants and electric generators.