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26 Nov 2019

a copper wire of length 25 cm is in a magnetic field of 0.20T.If it has mass of 10g, what is the mimimun current through thewirethat would cause a magnetic force equal to its weight?
a horizontal wire of length 3.0 m carries a current of 6.0Aand is oriented so that the current direction is 50oSof W. The Earth's magnetic field is due north at this point andhasa strength of 0.14e-4 T. What is the magnitude of the force onthewire?
a circular loop carrying a current of 1.0 A is oriented inamagnetic field of 0.35T. the loop has an area of 0.24m2and is mounted on a axis, perpendicular to themagnetic field,which allows the loop to rotate. i plane of the loopis orientedparallel to the field, what torque is created by theinteraction ofthe loops current and the field?

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Bunny Greenfelder
Bunny GreenfelderLv2
27 Mar 2019
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

The force on the rectangular loop of wire in the magnetic field in Figure 22.56 can be used to measure field strength. The field is uniform, and the plane of the loop is perpendicular to the field.
(a) What is the direction of the magnetic force on the loop? Justify the claim that the forces on the sides of the loop are equal and opposite, independent at how much of the loop is in the field and do not affect the net force on the loop.
 
(b) If a current of 5.00 A is used, what is the force per tesla on the 20.0-cm-wide loop? Figure 22.56 A rectangular loop of wire carrying a current is perpendicular to a magnetic field. The field is uniform in the region shown and is zero outside that region.

Figure 22.56 A rectangular loop of wire carrying a current is perpendicular to a magnetic field. The field is uniform in the region shown and is zero outside that region. 

The force on the rectangular loop of wire in the magnetic field in the figure can be used to measure field strength. The field is uniform, and the plane of the loop is perpendicular to the field. (a) What is the direction of the magnetic force on the loop? Justify the claim that the forces on the sides of the loop are equal and opposite, independent at how much of the loop is in the field and do not affect the net force on the loop. (b) If a current of is used, what is the force per tesla on the wide loop?

Figure A rectangular loop of wire carrying a current is perpendicular to a magnetic field. The field is uniform in the region show and is zero outside that region.

The force on the rectangular loop of wire in the magnetic field in Figure 22.56 can be used to measure field strength. The field is uniform, and the plane of the loop is perpendicular to the field. (a) What is the direction of the magnetic force on the loop? Justify the claim that the forces on the sides of the loop are equal and opposite, independent of how much of the loop is in the field, and do not affect the net force on the loop. (b) If a current of 5.00 A is used, what is the force per tesla on the 20.0-cm-wide loop?

Chapter 22, Problem 40PE, The force on the rectangular loop of wire in the magnetic field in Figure 22.56 can be used to

Figure 22.56 A rectangular loop of wire carrying a current is perpendicular to a magnetic field. The field is uniform in the region shown and is zero outside that region.

 

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