Sep 11, 2025 · Explain how the Biot-Savart law is used to determine the magnetic field due to a thin, straight wire. Determine the dependence of the magnetic field from a thin, straight wire based on the …

The direction of the field depends on the direction the current is moving. The tutorial below shows the magnetic fields created by current traveling through a straight wire.

Problem: What is the direction of the magnetic field around a current-carrying wire with current directed to the right? Solution: We’ll use the two-steps of the “Field-finding” Right Hand Rule to determine the …

May 26, 2025 · Discover how a magnetic field forms around a current carrying wire with simple explanations, real-life examples, and clear concepts perfect for students and beginners...

Feb 10, 2026 · In this explainer, we will learn how to calculate the magnetic field produced by a current in a straight wire. We know that a moving charge, or current, produces a magnetic field. A long, …

The magnetic field lines around a long wire which carries an electric current form concentric circles around the wire. The direction of the magnetic field is perpendicular to the wire and is in the direction …

Nov 30, 2025 · The magnetic field of a wire was first discovered during an experiment by Hans Christian Oersted (1777-1851) of Denmark in 1820. This experiment consisted of running a current through a …

The magnetic field due to a current-carrying wire is the region around the wire where magnetic forces can be detected, resulting from the electric current flowing through the wire.

How to calculate magnetic field around a wire? To correctly calculate the magnetic field around a wire, we would need to make use of cross product and the right-hand rule. But we can also approximate. …

Learn about and revise magnets, magnetic poles, magnetic fields, and electromagnetism with GCSE Bitesize Physics.