Question

direction while particle 2 travels along the positive y direction, Two positively charged particles are travelling through space in each others' vicinity. Using the standard r-y-z coordinate grid, particle 1 travels along the positive heading directly for the first particle from below. 3) Which combination of options below are the most accurate combination of statements. [Enter your answer as a string of the letter options you believe are correct. For instance, if you think options A, D, and E are correct, then enter "ADE" A) Particle l's magnetic field at particle 2's location points down along the y-axis B) Particle 2 feels a magnetic force pushing down the negative y direction C) Particle 2's magnetic field at the location of particle 1 is zero. D) Particle 1 feels no magnetic force due to particle 2's magnetic field E) None of the above Answer: Submit All Answers An electric motor is a device that transfers electrically stored energy into kinetic energy. A very crude one would consist of a conducting wire shaped as a loop with a steady electric current passing through it placed in a uniform magnetic field. Let's imagine that the magnetic field is directed along the positive x-axis, which we'll set up as going from left to right. The y-axis points up and the z-axis points out. Assume an absence of any frictional effects. 4) Which combination of options below are the most accurate combination of statements? [Enter your answer as a string of the letter options you believe are correct. For instance, if you think options A, D, and E are correct, then enter "ADE"] A) If the current loop's dipole moment is initially aligned with the field, then it will flip back until it is anti-aligned, and then forth B) Maximum potential energy in this system occurs when the dipole moment is at right angles to the uniform magnetic field. C) If the dipole moment initially points along the k direction, it's left end will feel a force pushing out along the k direction D) If the dipole moment initially points along the k direction, it's left end will feel a force pushing down along the -j direction. E) None of the above Answer: Submit All Answers

Answer 1

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magnetic field on I due to 1 is B = lo fi viêx ( anya) 45 (x2 + y ) / So Bq & Blê x] = - By the so n = q (Vağ x B ²) = qs V2 Boî so magnetu fore on 2 is along se ascis & field of partich 1 at position of partich 2 is in – ? alis & magnetic field due to a partit Bo = Mo I 2 2 9 x tury} 4IT B = Bo' (2) & Fm is also non ero are correct hence E is corrent option downwards , into the page so None of the given options