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Code Number: 5H10.20
Demo Title: Oersted's Effect
Condition: Excellent
Principle: Forces & Fields due to Induced Currents
Area of Study: Electricity & Magnetism
Equipment:
Weather Vane Compass Under a Wire and 6 Volt DC/30 Amp Power Supply.
Procedure:
Turn on the supply and the compass will line up perpendicular to the wire. There is also a smaller overhead model of this to be used with the same power supply.
The Pasco dip needle/Oersted's law apparatus is a compact easy to use unit. Instructions for this unit are in the 5H10.20 pdf file folder.
References:
- Thomas B. Greenslade Jr., "Apparatus Named After Our Academic Ancestors - VII", TPT, Vol. 62, #8, Nov. 2024, p. 636.
- Jeffrey A. Phillips, Jeff Sanny, "Experimental Evidence for the Biot-Savart Law", TPT, Vol. 61, #7, Oct. 2023, p. 548.
- Alon Drory, "Motivating the Biot-Savart Law", TPT, Vol. 61, #5, May 2023, p. 368.
- Ponn Maheswaranathan, "An Experiment to Verify the Current Dependence of Ampere's Law for a "Long" Straight Current-Carrying Conductor", TPT, Vol. 58, #8, Nov. 2020, p. 581.
- Thomas B. Greenslade Jr, "Apparatus Named After Our Academic Ancestors-II", TPT, Vol. 49, # 1, January 2011, p. 28.
- Keith Thompson, "The Current in a Wire", TPT, Vol. 47, # 2, Feb. 2009, p. 103.
- Jeffrey Phillips, Jeff Sanny, "Phillips and Sanny's Response", TPT, Vol. 46, # 5, May 2008, p. 262.
- Arthur Hovey, "The Biot-Savart Law -- Another Approach", TPT, Vol. 46, May 2008, p. 261.
- Jeffrey A. Phillips, Jeff Sanny, "The Biot-Savart Law: From Infinitesimal to Infinite", TPT, Vol. 46, # 1, Jan. 2008, p. 44.
- F.M. Gibson and Iain MacInnes. "Symmetry in Electromagnetism - A New Magnetic Needle", TPT, Vol. 38, # 5, p. 316, May 2000.
- Paul Robinson, "Oersteds in the Hydrolytic Plant", TPT, Vol. 32, # 1, Jan. 1994, p. 57.
- Paul G. Menz, "Correction", TPT, Vol. 32, # 2, Feb. 1994, p. 68.
- Robert H. Romer, "Oersted on the Subway", TPT, Vol. 31, # 2, p. 92, February 1993.
- Sam J. Cipolla, "The Oersted Effect on the Overhead", TPT, Vol. 13, # 8, Nov. 1975, p. 475, reprinted in TPT, Vol. 40, # 9, p. 47, Jan. 2002.
- Francis S. Lestingi, "Oersted Overhead ", TPT, Vol. 8, # 3, March 1970, p. 140.
- Thomas B. Greenslade, Jr., "Oersted's Law Demonstrator", AJP, Vol. 89, #12, Dec. 2021, p. 1151.
- B. J. Pernick, "Simultaneous Measurement of the Straight Wire and the Earth's B Field", AJP, p. 90, Vol. 57, # 1, January 1989.
- Ei-8: Freier and Anderson, A Demonstration Handbook for Physics.
- B-105: "Wire and Compass Needle", DICK and RAE Physics Demo Notebook.
- E-121, 122: Richard Manliffe Sutton, Demonstration Experiments in Physics.
- George M. Hopkins', Experimental Science, Volume Two, p. 113.
- Yaakov Kraftmakher, "1.8, Oersted's Great Discovery", Experiments and Demonstrations in Physics, ISBN 981-256-602-3, p. 28.
- Bill Franklin, "Abstract: Compass and Wire Holder for Detecting Currents", 2005 Apparatus Competition, Salt Lake City, UT.
- Grant Mellor, "The Great Magnetic Discovery", Flying Tinsel, 1993, p. 96-99.
- Rudolf F. Graf, "Relating Electricity with Magnetism (Electromagnetism)", Safe and Simple Electrical Experiments, p.86.
- Joseph Frick, "# 303 - Magnetic Effects of the Current", Physical Technics: Or Practical Instructions for Making Experiments in Physics and the Construction of Physical Apparatus with the Most Limmited Means, p. 351.