Q4: Show detailed work and pay attention to the units.There are two different ways to calculate the potential difference across the bar, using the motional EMF expression or Faraday's Law. Show that both methods givethe same answer.Use the right hand rule to figure out which end of the bar (A or B) will be at a higher potential due to the motion of the conductor in the field. A resistor R is connected between two parallel conducting rails separated by 39 cm, as shown in the diagram. A conducting bar maintains electric contact with the railsas it moves relative to them with constant velocity from x = 25 cm to x = 41 cm in 0.3 seconds. A uniform 0.3 T field points into the page. Calculate the induced electricpotential difference between the two ends of the bar.X A XX.メX x X x BX

Answered: Image /qna-images/answer/90609ab2-faff-4cb1-8c45-8a1558df6fa0.jpg

resistor R is connected between two parallel conducting rails separated by 39 cm, as shown in the diagram. A conducting bar maintains electric contact with the rails s it moves relative to them with constant velocity from x = 25 cm to x = 41 cm in 0.3 seconds. A uniform 0.3 T field points into the page. Calculate the induced electric otential difference between the two ends of the bar. X AX X X B X ->

resistor R is connected between two parallel conducting rails separated by 39 cm, as shown in the diagram. A conducting bar maintains electric contact with the rails s it moves relative to them with constant velocity from x = 25 cm to x = 41 cm in 0.3 seconds. A uniform 0.3 T field points into the page. Calculate the induced electric otential difference between the two ends of the bar. X AX X X B X ->

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter22: Magnetism

Section: Chapter Questions

Problem 24PE: (a) What is the speed of a supersonic aircraft with a 17.0-m wingspan, if it experiences a 1.60V...

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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

Q4: Show detailed work and pay attention to the units.
There are two different ways to calculate the potential difference across the bar, using the motional EMF expression or Faraday's Law. Show that both methods give
the same answer.
Use the right hand rule to figure out which end of the bar (A or B) will be at a higher potential due to the motion of the conductor in the field.

A resistor R is connected between two parallel conducting rails separated by 39 cm, as shown in the diagram. A conducting bar maintains electric contact with the rails
as it moves relative to them with constant velocity from x = 25 cm to x = 41 cm in 0.3 seconds. A uniform 0.3 T field points into the page. Calculate the induced electric
potential difference between the two ends of the bar.
X A X
X.
メ
X x X x BX

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