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Force by gravity is balanced by the magnetic force
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3. A straight wire of mass 200 g and length 1.5 m carries a current of...
A horizontal wire with a mass per unit length of 0.4kg/m carries a current of 2A in the +x direct...
A horizontal wire with a mass per unit length of 0.4kg/m carries a current of 2A in the +x direction. If the wire is placed in a uniform magnetic flux density B, what should the direction and minimum magnitude of B be in order to magnetically lift the wire vertically upward? (The acceleration due to gravity is g- 9.8az m/s2) (20 points). 4.
A horizontal wire with a mass per unit length of 0.4kg/m carries a current of 2A in...
A horizontal wire with a mass per unit length of 0.2 kg/m carries a current of...
A horizontal wire with a mass per unit length of 0.2 kg/m carries a current of 2 A in the +x-direction. If the wire is placed in a uniform magnetic flux density B, what should the direction and minimum magnitude of B be in order to magnetically lift the wire vertically upward? (Hint: The acceleration due to gravity is g= - z9.8 m/s2.)
A long, straight wire of length 1.2 m carries current I = 1.6 A. If a...
A long, straight wire of length 1.2 m carries current I = 1.6 A. If a magnetic field of magnitude B = 1.1 T is directed perpendicular to the wire, what is the magnitude of the force on the wire? N
A straight wire of length 0.5 m carries a current of 5 A in the positive...
A straight wire of length 0.5 m carries a current of 5 A in the positive x direction lying in a uniform magnetic field B = ( 0.9 j – 0.4 k) T. Find the magnetic force exerted on the wire.
A horizontal wire of length 1.0 m carries a current of 48 A to the right....
A horizontal wire of length 1.0 m carries a current of 48 A to the right. A second wire with a length of 0.5 m and a mass of 0.50 kg is suspend 0.30 m above the first wire. In what direction(left or right) does the current in the upper wire have to flow in order to be suspended against the force of gravity? What is the magnitude of the magnetic field (in mu T) due to the bottom wire...
A straight wire carries a current of 10 A at an angle of 30* with respect...
A straight wire carries a current of 10 A at an angle of 30* with respect to the direction of a uniform 0.30 T magnetic field. Find the angle the magnitude of the magnetic force on a 0.50 m length of the wire.
A straight wire carries a 42.7 A current in a uniform magnetic field (magnitude = 83...
A straight wire carries a 42.7 A current in a uniform magnetic field (magnitude = 83 mT). If the force per unit length on this wire is 2.4 N/m, determine the angle between the wire and the magnetic field
A straight, vertical wire carries a current of 2.25 A downward in a region between the...
A straight, vertical wire carries a current of 2.25 A downward in a region between the poles of a large superconducting electromagnet, where the magnetic field has a magnitude of B = 0.596 T and is horizontal. What is the magnitude of the magnetic force on a 1.00 cm section of the wire that is in this uniform magnetic field, if the magnetic field direction is east? What is the direction of this magnetic force? What is the magnitude of...
A 2.5 cm-long horizontal wire segment has mass 0.15 g and carries a current sufficiently large...
A 2.5 cm-long horizontal wire segment has mass 0.15 g and carries a current sufficiently large that it levitates when the segment is in a region of B field upward with magnitude 1.5 T. The current is passed to the segment that is in the magnetic field by way of massless electrical leads. What is the magnitude of the current that the wire carries?
A wire 2.80 m in length carries a current of 8.00 A in a region where...
A wire 2.80 m in length carries a current of 8.00 A in a region where a uniform magnetic field has a magnitude of 0.450 T. Calculate the magnitude of the magnetic force on the wire assuming the following angles between the magnetic field and the current. (a) 60.0° (b) 90.0° (c) 120°
A horizontal wire with a mass per unit length of 0.4kg/m carries a current of 2A in the +x direction. If the wire is placed in a uniform magnetic flux density B, what should the direction and minimum magnitude of B be in order to magnetically lift the wire vertically upward? (The acceleration due to gravity is g- 9.8az m/s2) (20 points). 4.
A horizontal wire with a mass per unit length of 0.4kg/m carries a current of 2A in...
A horizontal wire with a mass per unit length of 0.2 kg/m carries a current of 2 A in the +x-direction. If the wire is placed in a uniform magnetic flux density B, what should the direction and minimum magnitude of B be in order to magnetically lift the wire vertically upward? (Hint: The acceleration due to gravity is g= - z9.8 m/s2.)
A horizontal wire of length 1.0 m carries a current of 48 A to the right. A second wire with a length of 0.5 m and a mass of 0.50 kg is suspend 0.30 m above the first wire. In what direction(left or right) does the current in the upper wire have to flow in order to be suspended against the force of gravity? What is the magnitude of the magnetic field (in mu T) due to the bottom wire...
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