Experiment Magnetic field outside a straight conductor

Topics covered:

- Maxwell's equations

- Magnetic flux

 - Induction

 - Superposition of magnetic fields

Principles and objectives:

A current flowing in one or two neighboring straight conductors produces a magnetic field around them. The dependencies of these magnetic fields on the distance from the conductor and on the current are determined. This didactic set allows the determination of the magnetic field:

- of a straight conductor as a function of the current

- of a straight conductor as a function of the distance from the conductor

- of two parallel conductors, in which the current flows in the same direction, as a function of the distance from one conductor on the line connecting the two conductors

- of two parallel conductors, in which the current flows in opposite directions, as a function of the distance from one conductor on the line joining the two conductors.

- Electrical conductors, set of 4 - Coil 6 turns / Coil, 140 turns, 6 taps / Clamping device - Short, laminated iron core / U-shaped core, laminated magnetic sheet - Variable transformer with DC rectifier: 12 V, 5 A / AC: 15 V, 5 A - Digital teslameter / Axial Hall probe - Transformer for current adapter - Digital multimeter with thermocouple - Graduated ruler, l=1000 mm - Base / Stainless steel rod, l = 500 mm, d = 10 mm / Double nut - Table clamp / Universal clamp - Connection wire, 32 A, 500 mm