Alpha particles, each having a charge of +2 and a mass of 6.64 times 10^-27 kg,

Question

Alpha particles, each having a charge of +2 and a mass of 6.64 times 10^-27 kg, are accelerated in a uniform 0.50 T magnetic field to a final orbit radius of 0.50 m. The field is perpendicular to the velocity of the particles. What is the kinetic energy of an alpha particle in the final orbit? (1 eV = 1.60 times 10^-19 J, e = 1.60 times 10^-19 C) 3.0 MeV 3.9 MeV 2.6MeV 3.4 MeV 4.3 MeV You are designing an ac generator with a maximum emf of 8.0 V. If the generator coil has 200 turns, each with a cross-sectional area of 0.030 m^2, what should be the frequency of the generator in a magnetic field of 0.030 T? 8.0 Hz 7.1 Hz 44 Hz 7.5Hz A rectangular loop of wire that can rotate about an axis through its center is placed between the poles of a magnet in a magnetic field with a strength of 0.40 T, as shown in the figure. The length of the loop L is 0.16 m and its width omega is 0.040 m. What is the magnetic flux through the loop when the plane of the loop makes an angle of 60degree with the magnetic field?

Explanation / Answer

10)c

11)c

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