The figure shows an end view of a single-turn square loop of metal wire in the center of and coaxial with a very long solenoid with a circular cross section. The solenoid is 15.0 cm long, has a radius r= 3.00 cm, and consists of 120 turns of wire. The length of each side of the square loop is /= 1.50 cm. The current in the solenoid decreases from 4.00 A to zero in 0.40 s. What is the magnitude of the average induced emf (in pv) in the square loop over this time? 10001010 2020 O a. 2.3 O b. 4.5 O c. 6.3 O d. 1.5 O e. 3.0

The figure shows an end view of a single-turn square loop of metal wire in the center of and coaxial with a very long solenoid with a circular cross section. The solenoid is 15.0 cm long, has a radius r= 3.00 cm, and consists of 120 turns of wire. The length of each side of the square loop is /= 1.50 cm. The current in the solenoid decreases from 4.00 A to zero in 0.40 s. What is the magnitude of the average induced emf (in pv) in the square loop over this time? 10001010 2020 O a. 2.3 O b. 4.5 O c. 6.3 O d. 1.5 O e. 3.0

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 64P: A solenoid with an iron core is 25 cm long and is wrapped with 100 turns of wire. When the current...

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Concept explainers

Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.

Question

The figure shows an end view of a single-turn square loop of metal wire in the center of and coaxial with a very long solenoid
with a circular cross section. The solenoid is 15.0 cm long, has a radius r= 3.00 cm, and consists of 120 turns of wire. The length of
each side of the square loop is /= 1.50 cm. The current in the solenoid decreases from 4.00 A to zero in 0.40 s. What is the
magnitude of the average induced emf (in uv) in the square loop over this time?
10001010
2020
O a. 2.3
O b. 4.5
O c. 6.3
O d. 1.5
O e. 3.0

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