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Electrostatic
Newton’s/Coulomb’s Law Demonstration
Study the concepts of Newton′s and Coulomb′s laws with this apparatus. This apparatus can be used to demonstrate repulsion, attraction of charged bodies and provides the ability to measure the angle between the 2 strings and thus the force between the two charged spheres. The charge can be provided by a Wimshurst machine or a Van de Graff generator or by simply rubbing a plastic rule with on a duster. Includes manual.
PH45122 -
Electrostatic
Electromagnetic Induction Demonstrator
Electromagnetic Induction Demonstrator kit is used for demonstrating the important experiments performed by Faraday and how they lead to some of the significant conclusions in electromagnetism. It is designed to perform studies even beyond the basic experiments. It comprises of three solenoids of 20, 40 and 80 turns, each of identical cross section, mounted on a transparent base along with a milliammeter. These three coils of different lengths are provided to understand the effect of length of coil on induced current. Repeatedly inserting a magnet into the coil and removing it causes electric current to flow through the coil, which can be read directly from the milliammeter. Also notice that the milliammeter shows zero current when the magnet is not moving. Using this apparatus, students can study correlations between induced current to that of magnetic field strength, number of turns of coil, magnetic field polarity and speed. Requires 1.5V dry cell battery (not included).
PH41288
