EC2: A magnet moves through the opening within a closed wire loop, and then comes to rest, relative to the loop. The loop is attached only to a meter that displays the current running through it (and not to any emf device). a. As the magnet is moving relative to the loop, does the meter register a non-zero current? b. When the magnet is at rest relative to the loop, does the meter register a non-zero current? c. What is meant by the statement that magnetism is a "relativistic" effect of electricity?

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EC2: A magnet moves through the opening within a closed wire loop, and then comes to rest, relative to
the loop. The loop is attached only to a meter that displays the current running through it (and not to
any emf device).
a. As the magnet is moving relative to the loop, does the meter register a non-zero current?
b. When the magnet is at rest relative to the loop, does the meter register a non-zero current?
c. What is meant by the statement that magnetism is a "relativistic" effect of electricity?
Transcribed Image Text:EC2: A magnet moves through the opening within a closed wire loop, and then comes to rest, relative to the loop. The loop is attached only to a meter that displays the current running through it (and not to any emf device). a. As the magnet is moving relative to the loop, does the meter register a non-zero current? b. When the magnet is at rest relative to the loop, does the meter register a non-zero current? c. What is meant by the statement that magnetism is a "relativistic" effect of electricity?
Expert Solution
Step 1

(a)

 

As the magnet moves relative to the loop, a changing magnetic flux is produced.

Step 2

This in turn produces EMF and current. Thus, the meter registers a non-zero current.

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