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What is the relationship between the magnetic field and current in a conducting wire?
The relationship between the magnetic field and current in a conducting wire is described by Ampre's law, which states that a current flowing through a wire creates a magnetic field around it. The strength of the magnetic field is directly proportional to the current flowing through the wire.
Dc current having magnetic field?
When a direct current (DC) flows through a conductor, it generates a magnetic field around the conductor. This phenomenon is described by Ampere's law, which states that a magnetic field is produced around a current-carrying conductor. The strength of the magnetic field is directly proportional to the current flowing through the conductor.
How may a coil carrying current increase magnetic flux density?
Increasing the current flowing through the coil will increase the magnetic field produced by the coil, which in turn will increase the magnetic flux density inside the coil. This relationship is described by Ampere's law which states that the magnetic field is directly proportional to the current flowing through the coil.
What is the relation of conductor velocity?
The conductor velocity is directly related to the induced voltage in a conductor moving through a magnetic field. This relationship is described by Faraday's law of electromagnetic induction, which states that the induced voltage is proportional to the rate of change of magnetic flux through the conductor.
Why does a current carrying wire produce no magnetic field?
A current-carrying wire does produce a magnetic field around it according to Ampere's law, which states that a current generates a magnetic field. This phenomenon is the basis for the operation of electromagnets and the magnetic field produced is directly proportional the current flowing through the wire.
What is the relationship between the magnetic field and current in a conducting wire?
The relationship between the magnetic field and current in a conducting wire is described by Ampre's law, which states that a current flowing through a wire creates a magnetic field around it. The strength of the magnetic field is directly proportional to the current flowing through the wire.
Dc current having magnetic field?
When a direct current (DC) flows through a conductor, it generates a magnetic field around the conductor. This phenomenon is described by Ampere's law, which states that a magnetic field is produced around a current-carrying conductor. The strength of the magnetic field is directly proportional to the current flowing through the conductor.
How may a coil carrying current increase magnetic flux density?
Increasing the current flowing through the coil will increase the magnetic field produced by the coil, which in turn will increase the magnetic flux density inside the coil. This relationship is described by Ampere's law which states that the magnetic field is directly proportional to the current flowing through the coil.
What is the relation of conductor velocity?
The conductor velocity is directly related to the induced voltage in a conductor moving through a magnetic field. This relationship is described by Faraday's law of electromagnetic induction, which states that the induced voltage is proportional to the rate of change of magnetic flux through the conductor.
Why does a current carrying wire produce no magnetic field?
A current-carrying wire does produce a magnetic field around it according to Ampere's law, which states that a current generates a magnetic field. This phenomenon is the basis for the operation of electromagnets and the magnetic field produced is directly proportional the current flowing through the wire.
How do moving electrical charges create magnetic fields?
When electrical charges move through a conductor, they create a magnetic field around the conductor as a result of electromagnetic induction. This is described by Ampère's law in electromagnetism, which states that a current-carrying conductor produces a magnetic field that circulates around it. The strength of the magnetic field is proportional to the current flowing through the conductor.
What creates magnetic when energized?
When an electrical current flows through a conductor, such as a wire, it generates a magnetic field around it due to the movement of charged particles. This phenomenon is described by Ampère's law, which states that the magnetic field is directly proportional to the current. The magnetic field strength can be enhanced by coiling the wire into a solenoid or using ferromagnetic materials. When the current is turned off, the magnetic field dissipates.
How does Ampere's law apply to a current loop?
Ampere's law states that the magnetic field around a closed loop is directly proportional to the current passing through the loop. For a current loop, Ampere's law can be used to calculate the magnetic field strength at any point around the loop.
What magnetic law is equivalent to Ohm's law?
ans: Rowland's or Hopkinson's law..flux, Φ =F/S = mmf /reluctance which is equivalent tocurrent, I= E/R = electric field/ resistance
How does Amperes law relate to the calculation of the magnetic field around a current-carrying wire?
Ampere's law states that the magnetic field around a closed loop is directly proportional to the current passing through the loop. This law is used to calculate the magnetic field strength around a current-carrying wire by integrating the magnetic field along a closed loop surrounding the wire.
Which law states that voltage is induced in a circuit whenever the flux linking the circuit is changing and that the magnitude of the voltage is proportional to the rate of change of the flux linkage?
Faraday's law of electromagnetic induction states that a voltage is induced in a circuit whenever there is a changing magnetic field that links the circuit, and the magnitude of the induced voltage is proportional to the rate of change of the magnetic flux.
What is the formula to calculate the magnetic field due to a finite wire?
The formula to calculate the magnetic field due to a finite wire is given by the Biot-Savart law, which states that the magnetic field (B) at a point near a current-carrying wire is directly proportional to the current (I) in the wire and inversely proportional to the distance (r) from the wire. The formula is: B ( I) / (2 r), where is the permeability of free space.
