At a point on the equator the earth's magnetic field is measured to be horizontal to the ground and has a strength B = 0.55 gauss. An electron with a kinetic energy of 1250eV is traveling due 1. east. What is the force on the electron? а. b. In this field, what is the cyclotron frequency of the electron? What is the radius of curvature of the electron's path in the field? с. A cable carries a current of 25.0 A in a magnetic field of strength B = 2.55 T 2. If the cable lies at an angle of 0 = 25° with the magnetic field, what is the force per unit length on the cable? What is the force per unit length if the cable is perpendicular to the magnetic field? а. b. km = 32.3 кт î+ 54.2j-18.1k in a region of space where E = Amuon has a velocity of v 3. S V V V 0.830 0.450-j + 0-k and B = 1.00 T i- 0.50 T f + 0.25 T k. т т т What is the electric force on the muon? а. b. What is the magnetic force on the muon? What is the acceleration of the muon? С. 4. Two parallel cables are carrying currents of equal magnitude in opposite directions and are 1.00 cm apart. What current would result in a repulsive force of 100 N per unit length? а. b. If the brackets holding the cables are spaced 0.25m apart and can support a maximum load of 34.0 lbs, what is the maximum current the wires can carry? Nm Mars has no magnetic dipole т 8.0 1022 Earth has a magnetic dipole moment of u = 5. moment, but if you wanted to live on Mars it would be good to have a magnetic field to protect from certain types of radiation. Suppose someone decides to create a field by running a single cable around the equator of Mars and running a current through it. a. What current would be necessary to create a magnetic dipole moment 1/10th the strength of earth's magnetic dipole moment? b. What strength magnetic field would this produce at Mar's North Pole? A coil with 130 turns of wire has a radius of 1.80 cm and carries 80.0 mA of current. It is placed in a uniform magnetic field of strength 15.0 gauss. 6. What is the maximum torque this coil can experience in the field? What is the potential energy of the coil when its axis makes an angle of 25° with the а. b. magnetic field?

At a point on the equator the earth's magnetic field is measured to be horizontal to the ground and has a strength B = 0.55 gauss. An electron with a kinetic energy of 1250eV is traveling due 1. east. What is the force on the electron? а. b. In this field, what is the cyclotron frequency of the electron? What is the radius of curvature of the electron's path in the field? с. A cable carries a current of 25.0 A in a magnetic field of strength B = 2.55 T 2. If the cable lies at an angle of 0 = 25° with the magnetic field, what is the force per unit length on the cable? What is the force per unit length if the cable is perpendicular to the magnetic field? а. b. km = 32.3 кт î+ 54.2j-18.1k in a region of space where E = Amuon has a velocity of v 3. S V V V 0.830 0.450-j + 0-k and B = 1.00 T i- 0.50 T f + 0.25 T k. т т т What is the electric force on the muon? а. b. What is the magnetic force on the muon? What is the acceleration of the muon? С. 4. Two parallel cables are carrying currents of equal magnitude in opposite directions and are 1.00 cm apart. What current would result in a repulsive force of 100 N per unit length? а. b. If the brackets holding the cables are spaced 0.25m apart and can support a maximum load of 34.0 lbs, what is the maximum current the wires can carry? Nm Mars has no magnetic dipole т 8.0 1022 Earth has a magnetic dipole moment of u = 5. moment, but if you wanted to live on Mars it would be good to have a magnetic field to protect from certain types of radiation. Suppose someone decides to create a field by running a single cable around the equator of Mars and running a current through it. a. What current would be necessary to create a magnetic dipole moment 1/10th the strength of earth's magnetic dipole moment? b. What strength magnetic field would this produce at Mar's North Pole? A coil with 130 turns of wire has a radius of 1.80 cm and carries 80.0 mA of current. It is placed in a uniform magnetic field of strength 15.0 gauss. 6. What is the maximum torque this coil can experience in the field? What is the potential energy of the coil when its axis makes an angle of 25° with the а. b. magnetic field?