Problem: A long, straight wire carries a current of 4 A. What is the magnetic field at a distance of 5 cm from the wire? Solution: is 2.54 * 10^-5 T.
Problem: A long, straight wire carries a current of 4 A. What is the magnetic field at a distance of 5 cm from the wire? Solution: is 2.54 * 10^-5 T.
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Transcribed Image Text:Problem: A long, straight wire carries a current of 4 A. What is the magnetic field at a
distance of 5 cm from the wire?
Solution: is 2.54 * 10^-5 T.
Problem: A long straight wire carrying a current of 5 A is surrounded by a cylindrical
surface of radius 4 cm and height 10 cm, with the wire passing through the center of the
cylinder. Determine the magnetic flux through the surface.
Solution: 1.005*10^-2 Wb.
Problem: A magnetic field is directed perpendicular to the surface of a circular loop of
wire with radius 10 cm. The field varies with time according to the equation B(t) = 0.2t +
0.1 T. What is the magnitude of the induced emf in the loop when t = 2 s?
Solution: 0.00628 V/s.
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