Then an 'electrical current' is said to be present in the conductor.
electrical energy
This is an electric field.
Whenever a charge passes through a conductor, a magnetic field is produced. Hence, whenever a current carrying conductor is placed in a magnetic filed, it will experience a force whose direction is determined by Fleming's left hand rule.
When current flows through any conductor, there is a magnetic field around the conductor. It doesn't matter what substance comprises the conductor. I guess that means that aluminum wire can be an electromagnet, but not a permanent one.
area of the conductor, length of the conductor and temperature around the conductor..........
The metallic bonds which form the molecular structure of the metal solid are characterized by a virtually free flow of electrons between individual atoms, whereas non-metallic molecular bonds tend to keep the same electrons around each atom unless they are actively reacting. Consequently, when a source of electricity is applied to a metal, the free flow of electrons makes the conduction of charge, and in turn, electricity, much easier than it would be in a nonmetallic compound.
Yes,,,a current carrying conductor wil produce magnetic field around it.
An electromagnet is created when an Fe core is wrapped in a conductor and an electric current goes through the conductor; magnetism and electrical current have a symbiotic relationship -- when a conductor is moved in a magnetic field, electrons start to move and when electrons move through a conductor, a magnetic field is created around the conductor; a simple motor uses an electromagnet to do work.
Whenever a charge passes through a conductor, a magnetic field is produced. Hence, whenever a current carrying conductor is placed in a magnetic filed, it will experience a force whose direction is determined by Fleming's left hand rule.
The answer is a little more complex than a neat, pat answer. Electric flow may be seen as forward propagation of electrons, or backwards propagation of positive "holes" which may move through or around a medium, or as the movement of ions through a medium. Depending on the dielectric strength of an insulator, and the voltage/amperage of the charge in question, the electricity may move through, over, or around an insulator.In some cases, an electric current can move easily through both an insulator and a conductor, but in most cases, electricity moves easiest through a conductor. Conductors are usually metals or metalloids that have are joined together through metallic bonding. Metallic bonding results in positive metal ions floating in a sea of electrons. The "delocalized nature" of the electrons (electrons spread out) allows charge to flow easily through a conductor.
No, there are no valence electrons to move around.
the flow of electrons in semi conductor is called electric current. the electrons revolved around the nucleas is called free electrons
Silver is a good conductor of electricity because it has many free electrons moving around; like a free will donation to electricity.
The answer is electrons. I assume you mean positrons (anti-electrons) by positive electrons, and positrons and electrons go boom when they meet, so we don't see many positrons around.
Circular magnetic field will create around the conductor.
Any material has electrical charges. A conductor will usually not have more or less charges than a non-conductor. The relevant charges - often electrons - are simply relatively free to move around.
The prevailing theory is that the atoms in the conductor share electrons, and they seem to move around at random in the conductor material. When a voltage is applied across the conductor, the electrons tend to move in that direction, but they are still pretty random. This average trend is what we measure as current.
Not around... moving THROUGH a magnetic field forces electrons to flow through a wire.
A magnetic field.