Electromagnetic Induction

Electromagnetic Induction
from Disk Magnets

Ever wondered what is an integral and a derivative? See this mathematical phenomenon in action with Qosain Scientific's latest experimental device. This is also your window into Faraday's law, one of the cornerstones of the four Maxwell equations.

The experiment setup comprises a rotating disk, assembly of solenoids, a Hall probe, and all these connected to Qosain Scientific’s PhysLogger. Beautiful signals of emf can be observed on the PC when the magnet carrying disk is rotated, and also, the field of the magnet as it approaches and recedes from the Hall Sensor. As solenoids are connected to the differential channel of PhysLogger, floating signals of EMF are logged by the PhysLogger.

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The Experiment

Calculating uncertainties.
Disk magnet field mapping using a Hall probe.
Understanding Faraday’s laws of electromagnetism.
A simple setup to explore magnetic fields, flux, and electromagnetism.
Investigating discrepancies between theoretical predictions and experimental observations.

How does it work?

The experiment setup comprises a rotating disk, assembly of solenoids, a Hall probe, and all these connected to Qosain Scientific’s PhysLogger. Beautiful signals of emf can be observed on the PC when the magnet carrying disk is rotated, and also, the field of the magnet as it approaches and recedes from the Hall Sensor. As solenoids are connected to the differential channel of PhysLogger, floating signals of emf are logged by the PhysLogger.

This apparatus is used to, but not limited to:

Finding the magnetic field.
The magnetization of a disk magnet.
Verifying Faraday's law of Electromagnetic Enduction.
Showing that emf induced in the solenoid depends on number
of turns in the pick-up coil, the speed and direction of rotation.

Overview