A wire with a radius R = 2mm carries a current of 10 A. a) (10pts)...
A wire with a radius R = 2mm carries a current of 10 A.
a) (10pts) Find the current enclosed (passing through) by a circular path of 0.5 mm radius
b) (10pts) Find the current enclosed (passing through) by a circular path of 2.00 mm radius
c) (10pts) Find the current enclosed (passing through) by a circular path of 4 mm radius
d) (20pts) Based on your previous answers, find the magnitude of the magnetic field for r = 0.5mm, r = 2.0mm and r = 4.0mm.
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A wire with a radius R = 2mm carries a current of 10 A.
a) (10pts)...
2. Along wire carries a uniform current i =1.0A as shown. In the cross section picture,...
2. Along wire carries a uniform current i =1.0A as shown. In the cross section picture, the current is coming out of the page. If a = 2.0mm and r = 1.5 mm, find the magnitude and indicate the direction of the magnetic field B at r.
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A wire having mass per unit length of 0.490 g/cm carries a 2.94 A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward? magnitude T direction ---Select--- eastward westward southward northward An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.215 T. If the kinetic energy of the electron is 4.60 ✕ 10−19 J, find the speed of the electron and...
[3] A wire of radius a carries a uniform current density given by which is directed...
[3] A wire of radius a carries a uniform current density given by which is directed out of the page as shown. The wire carries a total current I. (a) Which direction does the magnetic field circulate around the wire? (circle the correct answer below). (b) Calculate the magnitude of the current density in terms of I and a (c) Showing complete details, including sketches as necessary, calculate the vector magnetic field inside the wire in terms of I, a...
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a) a horizontal long straight wire carries a current of I1= 8A from left to right. The wire is tangential to a circular loop of wire of Radius R= .03 m lying immediately below it. The loop carries a current of l2= 2A in the counter clockwise direction. Assuming that the thickness of the wires are negligible, find the magnitude and direction of the net magnetic field at the center of the circular loop b) a second long wire also...
wire in a coaxial cable carries current 2.00 A in one direc- tion, and the sheath...
wire in a coaxial cable carries current 2.00 A in one direc- tion, and the sheath around it carries current 2.00 A in the opposite direction. What magnetic field does the cable cre- e at points outside the cable? A lona, culindrical conductor of radius R carries a cur- t I as shown in Figure-P30.36. The current-density J, however, is net- unform over the cross section of the con- ductor but rather is a function of the radius according to...
An infinitely long, straight, cylindrical wire of radius R carries a uniform current density J. Using...
An infinitely long, straight, cylindrical wire of radius R carries a uniform current density J. Using symmetry and Ampere's law, find the magnitude and direction of the magnetic field at a point inside the wire. For the purposes of this problem, use a cylindrical coordinate system with the current in the +z-direction, as shown coming out of the screen in the top illustration. The radial r-coordinate of each point is the distance to the central axis of the wire, and...
The wire in the drawing carries a current of 14 A. Suppose that a second long,...
The wire in the drawing carries a current of 14 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 33 A. Use Ampere's law to find the magnitude of the magnetic field at a distance of r = 0.75 m from the wires when the currents are (a) in the same direction and (b) in opposite directions. Circular path (a) NumberT0.1142892063 Units (b) Number 0.0340435934 Units
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2. Along wire carries a uniform current i =1.0A as shown. In the cross section picture, the current is coming out of the page. If a = 2.0mm and r = 1.5 mm, find the magnitude and indicate the direction of the magnetic field B at r.
[3] A wire of radius a carries a uniform current density given by which is directed out of the page as shown. The wire carries a total current I. (a) Which direction does the magnetic field circulate around the wire? (circle the correct answer below). (b) Calculate the magnitude of the current density in terms of I and a (c) Showing complete details, including sketches as necessary, calculate the vector magnetic field inside the wire in terms of I, a...
wire in a coaxial cable carries current 2.00 A in one direc- tion, and the sheath around it carries current 2.00 A in the opposite direction. What magnetic field does the cable cre- e at points outside the cable? A lona, culindrical conductor of radius R carries a cur- t I as shown in Figure-P30.36. The current-density J, however, is net- unform over the cross section of the con- ductor but rather is a function of the radius according to...
An infinitely long, straight, cylindrical wire of radius R carries a uniform current density J. Using symmetry and Ampere's law, find the magnitude and direction of the magnetic field at a point inside the wire. For the purposes of this problem, use a cylindrical coordinate system with the current in the +z-direction, as shown coming out of the screen in the top illustration. The radial r-coordinate of each point is the distance to the central axis of the wire, and...
The wire in the drawing carries a current of 14 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 33 A. Use Ampere's law to find the magnitude of the magnetic field at a distance of r = 0.75 m from the wires when the currents are (a) in the same direction and (b) in opposite directions. Circular path (a) NumberT0.1142892063 Units (b) Number 0.0340435934 Units
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