Equipment: Two square U-shaped wires, a Plexiglas frame and a Xantrex HPD 15-20 power supply. What it does: The current carrying wires attract and snap together or repel each other depending on the ...

Learn how to perform a vector magnetic field calculation using two current-carrying wires in this clear, step-by-step physics tutorial. We break down key concepts like the Biot–Savart law, vector ...

Learn how to find the current needed to deflect a compass needle in this step-by-step physics tutorial! Explore the principles of magnetic fields, current-carrying wires, and the interaction with a ...

A magnetic field will apply a force on a single moving charge, and it will also exert a force on a current on which is a collection of moving charges. The force encountered by a wire of length l ...