QUESTION 1A current-carrying wire produces a magnetic field.O TrueO False

Answered: QUESTION 1 A current-carrying wire…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section24.2: Forces Caused By Magnetic Fields

Problem 20PP

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The branch of Physics which deals with magnetism due to electric current is called electromagnetism.

Oersted showed that the electric current through the wire deflects the magnetic needle held near it. The direction of deflection of the magnetic needle is reversed if the direction of current in the wire is reversed. This shows that the magnetic field is associated with a current-carrying wire.

An electric current is equivalent to charges in motion. Such charges produce magnetic interaction. The magnetic field produced by the conductor carrying current thus interacts with the magnetic needle and deflects it.

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