Consider a straight piece of copper wire of length 8 m and diameter 8 mm that...
Consider a straight piece of copper wire of length 8 m and
diameter 8 mm that carries a current I = 4.5 A. There is a magnetic
field of magnitude B directed perpendicular to the wire, and the
magnetic force on the wire is just strong enough to “levitate” the
wire (i.e., the magnetic force on the wire is equal to its weight).
Find B. Hint: The density of copper is 9000 kg/m3
.
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Consider a straight piece of copper wire of length 8 m and
diameter 8 mm that...
A copper wire has diameter 0.180 mm and length 20.0 cm . It’s in a horizontal...
A copper wire has diameter 0.180 mm and length 20.0 cm . It’s in a horizontal plane and carries a current of 2.05 A . The density of copper is 8920 kg/m3. A. Find the magnitude of the magnetic field needed to suspend the wire against gravity. B. Find the direction of the magnetic field needed to suspend the wire against gravity. Assume the current points east.
A 1.0-m-long, 1.0-mm-diameter copper wire (mass density 8920 kg/m3 ) carries a current of 50 A...
A 1.0-m-long, 1.0-mm-diameter copper wire (mass density 8920 kg/m3 ) carries a current of 50 A to the east. Suppose you want to levitate the wire by applying an externally created magnetic field. What field strength and direction do you need?
8. Two long straight copper wires of diameter d = 0.2 mm are parallel to each...
8. Two long straight copper wires of diameter d = 0.2 mm are parallel to each other, one above the other, at a distance of 1 mm (measured center to center). The mass density of copper is 8.96 g/cm3. a) Compute the weight of a wire, per meter. b) If you run a current / through both wires you could, in principle, suspend the lower wire, i.e. make the magnitude of the magnetic force on it equal to its weight....
Constants Suppose a straight 1.15 mm-diameter copper wire could just "float" horizontally in air because of...
Constants Suppose a straight 1.15 mm-diameter copper wire could just "float" horizontally in air because of the force due to the Earth's magnetic field B, which is horizontal, perpendicular to the wire, and of magnitude 3.1 10-5T
Suppose a straight 1.65 mm -diameter copper wire could just "float" horizontally in air because of...
Suppose a straight 1.65 mm -diameter copper wire could just "float" horizontally in air because of the force due to the Earth's magnetic field B⃗ , which is horizontal, perpendicular to the wire, and of magnitude 4.5×10−5 T . A) What current would the wire carry? Express your answer using two significant figures. B) Explain briefly. Essay answers are limited to about 500 words (3800 characters maximum, including spaces).
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
Suppose a straight 1.55 mm -diameter copper wire could just "float" horizontally in air because of...
Suppose a straight 1.55 mm -diameter copper wire could just "float" horizontally in air because of the force due to the Earth's magnetic field B⃗ , which is horizontal, perpendicular to the wire, and of magnitude 4.4×10−5 What current would the wire carry? Does the answer seem feasible?
a) Suppose a straight 1.40 mm -diameter copper wire could just "float" horizontally in air because...
a) Suppose a straight 1.40 mm -diameter copper wire could just "float" horizontally in air because of the force due to the Earth's magnetic field B⃗, which is horizontal, perpendicular to the wire, and of magnitude 3.4×10−5 T . What current would the wire carry? Does the answer seem feasible? Explain why. b) The force on a wire carrying 7.95 A is a maximum of 2.13 N when placed between the pole faces of a magnet If the pole faces...
Suppose a straight 1.25 mm -diameter copper wire could just "float" horizontally in air because of...
Suppose a straight 1.25 mm -diameter copper wire could just "float" horizontally in air because of the force due to the Earth's magnetic field B⃗ , which is horizontal, perpendicular to the wire, and of magnitude 6.4×10−5 T . Part A What current would the wire carry? Express your answer using two significant figures. Part B Does the answer seem feasible? Does the answer seem feasible? yes no
Suppose a straight 1.15 mm -diameter copper wire could just "Toat" horizontally in air because of...
Suppose a straight 1.15 mm -diameter copper wire could just "Toat" horizontally in air because of the force due to the Earth's magnetic field B, which is horizontal, perpendicular to the wire, and of magnitude 6.5x10-ST. Part A What current would the wire carry? Express your answer using two significant figures. AED om? 1= 5618.36 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
8. Two long straight copper wires of diameter d = 0.2 mm are parallel to each other, one above the other, at a distance of 1 mm (measured center to center). The mass density of copper is 8.96 g/cm3. a) Compute the weight of a wire, per meter. b) If you run a current / through both wires you could, in principle, suspend the lower wire, i.e. make the magnitude of the magnetic force on it equal to its weight....
Constants Suppose a straight 1.15 mm-diameter copper wire could just "float" horizontally in air because of the force due to the Earth's magnetic field B, which is horizontal, perpendicular to the wire, and of magnitude 3.1 10-5T
Suppose a straight 1.15 mm -diameter copper wire could just "Toat" horizontally in air because of the force due to the Earth's magnetic field B, which is horizontal, perpendicular to the wire, and of magnitude 6.5x10-ST. Part A What current would the wire carry? Express your answer using two significant figures. AED om? 1= 5618.36 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
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