56. M GO CHALK The drawing shows two perpendicular, long, straight wires, both of which lie in the plane of the paper. The current in each of the wires is I = 5.6 A. Find the magnitudes of the net magnetic fields at points A and B. I 10.20 m 1 I B 0.40 m 0.40 m 0.20 m
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- An electron is introduced into a uniform magnetic field, Bx = 50.0 μTesla directed at right angles to the electron’s velocity vy = 5 x105 m/s. The electron subsequently moves in a circular path. What is the radius of the circular path? Select one: a. 2.84 cm b. 5.68 cm c. 56.8 cm d. 2.84 m9. Two long, straight wires are separated by distance, d = 21.0 cm. The wires carry currents of I₁ 2.50 A and I2 = 8.50 A in the same directions, as shown in the figure. Find the magnitude of the net magnetic cm, r2 = field at point (B). Let r₁ = 13.0 7.00 cm, and r3 = 14.0 cm. T r₂ OSS SS 09- A B ssf60 ssf60 ssf60 s60 ssf60 ssf60 ssf60 ssf60 f60 ssf60 ssf60 ssf60 ssf60 ssf60 ssfo d £60 *$$ (9js8 09888 f60 s: 60 ssf60 ssf60 ssf60 ssf60 ssf60 ssf60 f60 ssf f60 ss$60 ssf60 ssf60 ssf60 ssf60 ssf60 ssA moving, positively charge particle enters a region that contains a uniform magnetic field as shown in the diagram below. What will be the resultant path of the particle? B. Vy y Vz = 0 Vx X a. Helical about the y-axis b. Helical about the z-axis C. Linear in the direction of the total velocity vector d. Circular in the yz-plane e. Circular in the xy plane
- In the figure, point P2 is at perpendicular distance R = 20.6 cm from one end of straight wire of length L = 11.9 cm carrying current i = 0.859 A. (Note that the wire is not long.) What is the magnitude of the magnetic field at P2? P R L. Number i 4.17e-7 Units37 see photoA proton and an electron enter a region of uniform magnetic field with a velocity oriented perpendicular to the field. Determine which of the following statements describes the circular orbits of the two particles. a. The two orbits have the same radius and the same direction. b. The two orbits have a different radius but the same direction. c. The two orbits have different radii and different directions. d. The two orbits have the same radius but different direction.
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- Option 2: a. An electron is moving at a speed of 4.45 x 105 m/s from north to south in a magnetic field that runs from [NE] to [SWJ. If the magnetic force balances the gravitational force on the electron, determine the strength of the magnetic field. b. Now consider a 50.0 cm long wire with a mass of 60.0 g that carries a current of 15.0 A from north to south. The uniform magnetic field is perpendicular to the above- mentioned wire. What the minimum magnetic field strength and direction that will balance the weight of the wire?6. Refer to the diagram For the moment please disregard the moving charge off to the right. The diagram above shows segments of two long straight wires, carrying currents I_1 = 3.97 A and I_2 = 2.88 A respectively. The distance between the wires is 1.99 cm. What is the force on a 5.57-cm segment of wire #2 due to the magnetic field from wire #1? 5.12E-06 N 7.68E-06 N 1.09E-05 N 6.40E-06 N2. A wire of infinite length carries a current of 15A in a uniform magnetic field of magnitude 0.55T as indicated in the figure. (a) Find the force on a one meter length of the wire. (b) If the angle that the wire makes with the magnetic field is tripled, what happens to the direction of the force? Is the magnitude of the force tripled? Explain your answer. B 20