How long is a piece of wire that feels a force of 10x10^-8 N if it's...
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 .
Question 5 (1 point) What is the magnetic force felt by a 200m long wire in the presence of a perpendicular magnetic field of 1T? The wire has a current of 10A. F = quB sin(theta) F = ILB sin(theta) B 1 2 Pi R B = voln B = , 2R 2000N 1 x10^(-8) Ho (104) 2 (200m) Om Next Page Page 5 of 18
A 1.00 m long wire carrying a 0.729 A current is oriented at 38.0 degrees to a magnetic field, and feels a magnetic force of 0.0918 N. How strong is the magnetic field? (Unit = T) Magnetic Field (T) Enter
4) A long straight wire carries current i = 2.0 A. A triangular loop (w = 0.050 m and t = 0.100 m) also carries the same current and is located at distance x = 0.025 m from the straight wire as shown. Recall that the magnetic field due to a long straight wire is given by B Ho 21 4r where r is the perpendicular distance from the wire. Note: Ho/472 = 1 x 10-?T.m/A. a) Determine the magnitude...
1. If the current in the wire inside a lightbulb is 3A, what is the current in the connecting wire going into the lightbulb? O The connecting wire must have a current of more than 3A O The connecting wire must have a current of 3A O The connecting wire must have a current of less than 3A 2. Which of the following best describes the source of all magnetic fields? O Magnetic fields are due to magnetically charged particles...
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 long straight wire carries a current I. At 1.0cm from the wire, the magnetic field has a magnitude of 2.0 x 10-5T. How far from the wire must you be so that the magnetic field due to the wire has a magnitude of 5.0 x 10-6T? ______cm
The magnetic force acting on a wire that is perpendicular to a 2.9 T uniform magnetic field is 4.4 N. If the current in the wire is 5.0 A, what is the length of the wire that is inside the magnetic field? Answer in units of m.
A 0.75 m long section of cable carrying current to a car starter motor makes an angle of 60° with the Earth's 5.5 x 10-5T magnetic field. Part (a) What is the current in A when the wire experiences a force of 8.5 x 10-3N? Part (b) If you run the wire through a strong horseshoe magnet, subjecting 5.00 cm of it to a perpendicular 1.75 T field, what force is exerted on the segment of wire in N?
Q4. (25 points) A long straight wire carries a current of 11 = 8 A is at perpendicular distance d = 6 cm from a point P. The point P is at the center of a semicircle of radius R = 12 cm, and carries a current 12 = 17 A in the clockwise direction. a) (8 points) Find the magnetic field vector at point P due to the current 11 in the wire. b) (8 points) Find the magnetic...