Figure 1 shows a long straight wire carrying 1.6 A. An electron 1 cm from a wire moves at 90 m/s in the x-direction. Determine the electron's magnetic force. How many protons may be placed 1 cm from an electron to make its net force zero? FIG. 1.
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- Kieran measures the magnetic field of an electron beam. The beam strength is such that 2.30 × 1011 electrons pass a point every 1.30 μs. What magnetic field does Kieran measure at a distance of 2.00 cm from the beam center? Answer in units of T.A small rod magnet has a magnetic field at a distance from it as large as Hom B = 2nz3 Where z is the distance from the magnet on the axis connecting the north pole and south, m is the moment of magnetic dipole. Assuming electrons orbit protons like small rod magnets, determine the m magnetic dipole of an electron orbiting an atom.4. An alpha particle of charge +2e and mass 4(1.66 × 10-27) kg, and an ¹60 nucleus of charge +8e and mass 16(1.66 × 10-27) kg have been accelerated from rest through the same electric potential. They are then injected into a uniform magnetic field B, where both move at right angles to the field. The ratio of the radius of the path of the alpha particle to the radius of the path of the nucleus ¹60 is a. ra/ro = 1/1 b. ra/ro = 1/4 ra/ro = 1/8 ra/ro = 1/2 None of these is correct. c. d. e.
- A wire has a current of 15 A going to the right. What is the B field and its direction 0.5 m below the wire? What is the force and direction on a proton traveling 150 m/s to the right at this point?An electron moves with a speed of 5.0×107 m/s in the directions shown in (Figure 1) and (Figure 2) below. A 0.40 T magnetic field points in the positive x-direction.What is the magnitude of the magnetic force in (Figure 2)?Computer Typed please. NO HAND WRITTING.