The amount of current flowing through a conductor is governed by the amperage of the connected load. This is why there are different sizes of conductors. Each conductor size is only allowed a specific amount of amperage to flow through it. If the amperage load is higher that what the conductor is rated for then the next larger size conductor has to be used. The limiting of the amperage to specific size conductors keeps the conductor from heating beyond the conductors specifications, under full amperage conditions.
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The amount of current flow through a wire is measured in amperes (A) and is determined by the voltage applied to the wire and the resistance of the wire. According to Ohm's Law, current (I) is equal to voltage (V) divided by resistance (R), so I = V / R.
The flow of current through a wire is known as electrical current.
When a current flows through a wire, a magnetic field is produced around the wire. This magnetic field is perpendicular to the direction of the current flow and its strength is proportional to the amount of current flowing through the wire.
The flow of current through a wire increases its conductivity and decreases its resistance.
When an electric current passes through a wire, the flow of electrons creates a magnetic field around the wire. This phenomenon is known as electromagnetism. The strength of the magnetic field is directly proportional to the amount of current flowing through the wire.
No, a current cannot flow in a wire with a free end because there is no complete circuit for the current to flow through. In order for current to flow, there must be a closed loop circuit for the electricity to circulate through.