Homework Answers
We know that
F = BILsin
where is the angle
between current and field
F = 1.96*19.1*1.91*sin 41.8
F = 47.65 N
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Chapter 28, Problem 040 A wire 1.91 m long carries a current of 19.1 A and...
A wire 2.45 m long carries a current of 19.2 A and makes an angle of...
A wire 2.45 m long carries a current of 19.2 A and makes an angle of 36.8° with a uniform magnetic field of magnitude B = 1.74 T. Calculate the magnetic force on the wire.
A wire 2.37 m long carries a current of 15.2 A and makes an angle of...
A wire 2.37 m long carries a current of 15.2 A and makes an angle of 29.7° with a uniform magnetic field of magnitude B = 1.17 T. Calculate the magnetic force on the wire.
The bent wire shown in the figure lies in a uniform magnetic field. Each straight section is 2.78 m long and makes an angle of θ=42.1° with the x axis, and the wire carries a current of 1.21 A.
Chapter 28, Problem 042 The bent wire shown in the figure lies in a uniform magnetic field. Each straight section is 2.78 m long and makes an angle of θ=42.1° with the x axis, and the wire carries a current of 1.21 A. What is the net magnetic force on the wire in unit-vector notation if the magnetic field is given by (a)3.91 kT? (b)3.75 İ T?
Chapter 28, Problem 045 A wire 64.1 cm lang carries a 0.400 A current in the...
Chapter 28, Problem 045 A wire 64.1 cm lang carries a 0.400 A current in the positive direction of an x axis through a magnetic field with an x component of zero, a y component of 0.000260 T, and a z component of 0.0130 T. Find the (a) x, (b) y, and (c) z components of the magnetic force on the wire. (a) Number o (b) Number (c) Number Units N Units Units
Chapter 29, Problem 040 In the figure, four long straight wires are perpendicular to the page,...
Chapter 29, Problem 040 In the figure, four long straight wires are perpendicular to the page, and their cross sections form a square of edge length a = 6.87 cm. Each wire carries 11.7 A, and all the currents are out of the page. What is the magnitude of the net magnetic force per unit length on wire 1? 9 Number Units the tolerance is +/-5%
A long straight wire sits on the z-axis and carries a current of 2.92 amps in...
A long straight wire sits on the z-axis and carries a current of 2.92 amps in the positive z direction. A uniform external magnetic field of 8.08 T points in a direction that makes an angle of 39.5 degrees with the wire. Find the magnitude of the force on the section of wire that runs from z = 0 m to z = 6.79 m. Answer in units of N.
Chapter 29, Problem 035 The figure shows wire 1 in cross section; the wire is long...
Chapter 29, Problem 035 The figure shows wire 1 in cross section; the wire is long and straight, carries a current of 4.08 mA out of the page, and is at distance di = 2.67 cm from a surface. Wire 2, which is parallel to wire 1 and also long, is at horizontal distance d2 = 5.30 cm from wire 1 and carries a current of 6.98 mA into the page. What is the x component of the magnetic force...
Chapter 28, Problem 039 A horizontal power line carries a current of 6750 A from south...
Chapter 28, Problem 039 A horizontal power line carries a current of 6750 A from south to north. Earth's magnetic field (60.1 μΤ) is directed toward the north and is inclined downward at 65.0° to the horizontal. Find the (a) magnitude and (b) direction of the magnetic force on 120 m of the line due to Earth's field (a) Number Units the tolerance is +/-2%
A wire of length 1.0 meter carries a current of 10 amps and makes an angle...
A wire of length 1.0 meter carries a current of 10 amps and makes an angle of 30 degree with a uniform magnetic field of magnitude B = 1.5 T. Calculate the magnitude and direction of the force on the wire.
The bent wire shown in the figure lies in a uniform magnetic field. Each straight section is 2.0 m long and makes an angle of θ = 60° with the x axis, and the wire carries a current of 2.0 A.
The bent wire shown in the figure lies in a uniform magnetic field. Each straight section is 2.0 m long and makes an angle of θ = 60° with the x axis, and the wire carries a current of 2.0 A. What is the magnitude of the magnetic force on the wire in unit-vector notation if the magnetic field is given by (a) 4.0 k T and (b) 4.0 iT?
Chapter 28, Problem 045 A wire 64.1 cm lang carries a 0.400 A current in the positive direction of an x axis through a magnetic field with an x component of zero, a y component of 0.000260 T, and a z component of 0.0130 T. Find the (a) x, (b) y, and (c) z components of the magnetic force on the wire. (a) Number o (b) Number (c) Number Units N Units Units
Chapter 29, Problem 040 In the figure, four long straight wires are perpendicular to the page, and their cross sections form a square of edge length a = 6.87 cm. Each wire carries 11.7 A, and all the currents are out of the page. What is the magnitude of the net magnetic force per unit length on wire 1? 9 Number Units the tolerance is +/-5%
Chapter 29, Problem 035 The figure shows wire 1 in cross section; the wire is long and straight, carries a current of 4.08 mA out of the page, and is at distance di = 2.67 cm from a surface. Wire 2, which is parallel to wire 1 and also long, is at horizontal distance d2 = 5.30 cm from wire 1 and carries a current of 6.98 mA into the page. What is the x component of the magnetic force...
Chapter 28, Problem 039 A horizontal power line carries a current of 6750 A from south to north. Earth's magnetic field (60.1 μΤ) is directed toward the north and is inclined downward at 65.0° to the horizontal. Find the (a) magnitude and (b) direction of the magnetic force on 120 m of the line due to Earth's field (a) Number Units the tolerance is +/-2%
A wire of length 1.0 meter carries a current of 10 amps and makes an angle of 30 degree with a uniform magnetic field of magnitude B = 1.5 T. Calculate the magnitude and direction of the force on the wire.
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