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A current circulating in a hollow copper coil (solenoid) produces a magnetic field equal to the permeability times the turns density times the current.
B = μ x n x I
* B is the magnetic field measured in Tesla
* μ is the relative permeability of the solenoid's core which is air in this example and have a value approximated to 1.25663706E-6
* n is the turns density which equals the number of turns divided by the solenoid length
n = N/L where L is measured in meters.
* I is the current flowing within the solenoid and measured in Amperes
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What is the shape of magnetic lines force in case of a straight current carrying conductor?
The shape of the magnetic field lines around a straight current-carrying conductor is circular, with the conductor at the center of each circular loop. These magnetic field lines form concentric circles around the conductor, perpendicular to the direction of the current flow.
What type of current does a straight current carrying wire produce?
A straight current-carrying wire produces a magnetic field around it, which can be described as a circular magnetic field perpendicular to the direction of current flow. This magnetic field is responsible for creating a force on any nearby moving charges.
What statements describes the result of reversing the current in a current-carrying in a magnetic field?
When the current is reverted, the magnetic field will also be reverted.
Force on a current-carrying conductor?
When a current-carrying conductor is placed in a magnetic field, a force is exerted on the conductor due to the interaction between the magnetic field and the current. This force is known as the magnetic Lorentz force and its direction is perpendicular to both the magnetic field and the current flow. The magnitude of the force depends on the strength of the magnetic field, the current flowing through the conductor, and the length of the conductor exposed to the magnetic field.
What happens with the energy associated to the magnetic field of a coil with electric current if the electric current is turned off?
The magnetic field or energy associated with the magnetic field will no longer be generated if the current is turned off.
What is the direction of the magnetic field around a current-carrying wire?
The magnetic field around a current-carrying wire is circular and perpendicular to the direction of the current flow.
What shape is the magnetic field produced when current is passed through wire?
CIRCULAR
Why does a compass needle move when placed near a wire carrying an electric current?
A compass needle moves near a wire carrying an electric current due to the magnetic field generated by the flow of electrons in the wire. This magnetic field interacts with the magnetic field of the compass needle, causing it to align itself with the direction of the current flow.
What is the shape of magnetic lines force in case of a straight current carrying conductor?
The shape of the magnetic field lines around a straight current-carrying conductor is circular, with the conductor at the center of each circular loop. These magnetic field lines form concentric circles around the conductor, perpendicular to the direction of the current flow.
What is the Field due current flow through a conductor?
Circular magnetic field will create around the conductor.
The direction of a magnetic field produced by an electric current depends on the direction of the what?
The direction of a magnetic field produced by an electric current depends on the direction of the current flow. The magnetic field will form circular loops around the current-carrying wire, following the right-hand rule.
If you suspend a circular loop of wire carrying current by a thread how will you expect it to align itself?
The circular loop of wire carrying current will align itself in a plane perpendicular to the direction of the magnetic field created by the current flowing through the loop. This is a result of the magnetic force exerted on the current-carrying loop in the presence of the magnetic field.
What is the direction of a magnetic field around a current-carrying wire?
The direction of a magnetic field around a current-carrying wire is circular, wrapping around the wire in a clockwise or counterclockwise direction, depending on the direction of the current flow.
If the current in a wire is directed upward what is the direction of the magnetic field produced by the current?
The magnetic field produced by a current-carrying wire points in a circular direction around the wire, following the right-hand rule. In this case, with the current directed upward, the magnetic field would circle around the wire in a clockwise direction when viewed from above.
What is produced around a wire when an electric current flows through a wire?
A magnetic field is produced around a wire when an electric current flows through it. This magnetic field is directed along circular lines around the wire.
When heat is transferred to circular current it is called what?
When heat is transferred to a circular current, it is called induced current or eddy current. This phenomenon occurs due to Faraday's law of electromagnetic induction when a changing magnetic field induces an electric current in a conductor like a circular loop.
What is the force on a circular conductor in a magnetic field?
magnetic force
