A wire is laying on the table in front of you and extends from the near edge of the table to the far edge. If the current goes towards from you, which way does the magneLc field, on the right side of the wire, point?  A coil of wire with an area of 0.3 m2 consisLng of 7 loops experiences a perpendicular magnetic filed that is 0.5 Teslas. What is the total magnetic flux through the loops? Two 15 μC charges, one negaLve and one posiLve, are spaced 50 cm apart, what is the electric potential at the middle point between the two ?

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter13: Electromagnetic Induction
Section: Chapter Questions
Problem 71AP: The magnetic field between the poles of a horseshoe electromagnet is uniform and has a cylindrical...
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  1. A wire is laying on the table in front of you and extends from the near edge of the table to the far edge. If the current goes towards from you, which way does the magneLc field, on the right side of the wire, point?
  2.  A coil of wire with an area of 0.3 m2 consisLng of 7 loops experiences a perpendicular magnetic filed that is 0.5 Teslas. What is the total magnetic flux through the loops?
  3. Two 15 μC charges, one negaLve and one posiLve, are spaced 50 cm apart, what is the electric potential at the middle point between the two ?

  4.   When using a convex lens to magnify the text for reading, what is true about the image distance compared to the object distance?

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