0
The magnetic field due to a constant current through a circular loop is the same shape, outside the loop, as the field due to a bar magnet. At the centre of the loop the field can be found, using the Biot-Savart Law, to be
(Equation 1: URL in related links),
where ?0 is the permeability of free space, I is the current through the loop, R is the radius of the loop and z-hat is a unit vector perpendicular to the plane of the loop. The field on the axis of the loop can be found, again using the Biot-Savart Law, to be
(Equation 2: URL in related links),
where z is the distance from the centre of the loop along its axis and all other symbols have the same meaning as in the previous equation.
What else can I help you with?
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.
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 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.
In a solenoid, will there be a magnetic field if there is no current flowing through it?
Yes, a solenoid will still have a magnetic field even if there is no current flowing through it.
Does a wire with no current have a magnetic field?
Yes, a wire with no current flowing through it does not produce a magnetic field. Current flow is required to generate a magnetic field around a wire.
What shape is the magnetic field produced when current is passed through wire?
CIRCULAR
What is the Field due current flow through a conductor?
Circular magnetic field will create around the conductor.
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.
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 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 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.
In a solenoid, will there be a magnetic field if there is no current flowing through it?
Yes, a solenoid will still have a magnetic field even if there is no current flowing through it.
Does a wire with no current have a magnetic field?
Yes, a wire with no current flowing through it does not produce a magnetic field. Current flow is required to generate a magnetic field around a wire.
Does an electric current produce a magnet?
Yes, an electric current produces a magnetic field. When current flows through a conductor, it generates a circular magnetic field around the conductor according to the right-hand rule. This principle is the basis for electromagnets and many electrical devices.
How is a current induced in a wire when a coil of wire moves through a magnetic field?
When a coil of wire moves through a magnetic field, the changing magnetic field induces a current in the wire through electromagnetic induction.
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.
What is magnetic field produced by a current flowing through a wire?
A current flowing through a wire produces a magnetic field around the wire. The direction of the magnetic field is determined by the right-hand rule, where if you point your thumb in the direction of the current, your fingers will curl in the direction of the magnetic field lines. The strength of the magnetic field is directly proportional to the current flowing through the wire.
