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Related Concept Videos

Magnetic Fields01:27

Magnetic Fields

7.0K
A moving charge or a current creates a magnetic field in the surrounding space, in addition to its electric field. The magnetic field exerts a force on any other moving charge or current that is present in the field. Like an electric field, the magnetic field is also a vector field. At any position, the direction of the magnetic field is defined as the direction in which the north pole of a compass needle points.
A magnetic field is defined by the force that a charged particle experiences...
7.0K
Torque On A Current Loop In A Magnetic Field01:13

Torque On A Current Loop In A Magnetic Field

5.6K
The most common application of magnetic force on current-carrying wires is in electric motors. These consist of loops of wire, which are placed between the magnets with a magnetic field. When current flows through the loops, the magnetic field applies torque, which causes the shaft to rotate, thus converting electrical energy to mechanical energy.
Consider a rectangular current-carrying loop containing N turns of wire, placed in a uniform magnetic field. The net force on a current-carrying loop...
5.6K
Magnetic Field Of A Current Loop01:16

Magnetic Field Of A Current Loop

6.1K
Consider a circular loop with a radius a, that carries a current I. The magnetic field due to the current at an arbitrary point P along the axis of the loop can be calculated using the Biot-Savart law.
6.1K
Magnetic Field due to Moving Charges01:23

Magnetic Field due to Moving Charges

11.3K
A stationary charge creates and interacts with the electric field, while a moving charge creates a magnetic field.
Consider a point charge moving with a constant velocity. Like the electric field, the magnetic field at any point is directly proportional to the magnitude of the charge and inversely proportional to the square of the distance between the source point and the field point. However, unlike the electric field, the magnetic field is always perpendicular to the plane containing the line...
11.3K
Magnetic Field Due To A Thin Straight Wire01:28

Magnetic Field Due To A Thin Straight Wire

6.0K
Consider an infinitely long straight wire carrying a current I. The magnetic field at point P at a distance a from the origin can be calculated using the Biot-Savart law.
6.0K
Force On A Current Loop In A Magnetic Field01:17

Force On A Current Loop In A Magnetic Field

3.9K
Magnetic forces on wires carrying current are most frequently applied in motors. A DC motor is a device that converts electrical energy into mechanical work. In motors, wire loops are enclosed in a magnetic field. When current flows through the loops, the magnetic field applies torque, which causes the shaft to rotate. The direction of the current is reversed once the loop's surface area is lined up with the magnetic field, causing a constant torque on the loop. During the process, commutators...
3.9K

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Updated: Jan 4, 2026

Remote Magnetic Actuation of Micrometric Probes for in situ 3D Mapping of Bacterial Biofilm Physical Properties
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Correction: Capillary assemblies in a rotating magnetic field.

Galien Grosjean1, Maxime Hubert2, Ylona Collard1

  • 1GRASP Lab, CESAM Research Unit, University of Liège, B-4000 Liège, Belgium. ga.grosjean@uliege.be.

Soft Matter
|November 13, 2019
PubMed
Summary
This summary is machine-generated.

This correction clarifies details regarding capillary assemblies subjected to rotating magnetic fields. It ensures accurate understanding of the experimental setup and findings presented in the original Soft Matter publication.

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Area of Science:

  • Physics
  • Soft Matter Physics
  • Fluid Dynamics

Background:

  • Capillary flow phenomena are crucial in microfluidics and biological systems.
  • Rotating magnetic fields offer a non-invasive method for manipulating fluids and particles.

Purpose of the Study:

  • To provide a correction to a previously published article.
  • To ensure the accuracy of reported experimental conditions and results.

Main Methods:

  • Review of experimental parameters.
  • Verification of data presentation.

Main Results:

  • Identification of specific details requiring correction.
  • Clarification of the influence of rotating magnetic fields on capillary assemblies.

Conclusions:

  • Accurate reporting is essential for scientific reproducibility.
  • The corrected information maintains the integrity of the study's findings.