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16 Nov 2021
Problem 4b
Page 617
Section: Questions
Chapter 21: Electromagnetic Induction and Faraday’s Law
Textbook ExpertVerified Tutor
16 Nov 2021
Given information
Given a current-carrying wire and a loop is placed nearby and asked the direction of induced current if the wire loop stays fixed as the current I decreases.
Step-by-step explanation
Step 1.
By Lenz's law of electromagnetic induction, the current flows in such a way as to create a magnetic field opposing the change. That is; if the magnetic flux is decreased then the induced emf will oppose this decrease by generating an induced magnetic flux that adds to the original flux or vice versa.
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