2020年3月6日 · Hi, I'm trying to find the magnetic field B using F = qV * B. I have F = (3i + j + 2k) N V = (-i +3j) * 10^6 m/s q = -2 *10^6 C Bx = 0 I don't know how to...

2014年8月25日 · Hello and thank you in advanced for looking at this. I have trying to come to terms with two seemingly contradictory ideas in electro-magnetics. Lenze's law and Eddie currents seem to contradict the fundamental equation F = qv X B where F is the force exerted on a particle with charge q and...

2023年3月17日 · Background: is the equation of Lorentz force for the force acting on a moving charge in electric and magnetic field. For the magnetic field only it is : F=qv×B. Question: For magnetic field only why is the force not F=q(v×B) = F=qv×qB

2008年3月27日 · In summary, the conversation discusses the concept of velocity in relation to the equation F = qv x B, where a particle with charge q and velocity v experiences a force F in a magnetic field B. The conversation explores whether the velocity used in the equation is the drift velocity or the actual velocity of the particle.

2010年3月10日 · The former is the expression for the electric force acting on an object of charge q placed in an electric field of field strength E, while the latter is the expression for the magnetic force acting on an object possessing charge q moving with velocity v in the region of a magnetic field with field strength B.

2010年8月25日 · Homework Statement 2 A particle with charge 94.5 nC is moving in a region where there is a uniform magnetic field of 0.450 T in the positive x-direction. At a particular instant of time, the velocity of the particle has components: vx = - 1.68 x 104 ms-1, vy = - 3.11 x 104 ms-1 and vz = 5.85...

2007年3月29日 · 1. Homework Statement In the product F = qv x B , take q = 4, v = 2.0i + 4.0j + 6.0k and F= 136i -176j + 72k. What then is in unit-vector notation if Bx = By? 2. Homework Equations 136i-176j+72k = 8i+16j+24k X Bxi+Byj+Bzk 3. The Attempt at a Solution I am stuck with the above...

2015年11月7日 · The work done by magnetic force, F=qv\times B, is zero. Can we infer that the magnetic force is conservative? If so, how can we show that \nabla \times F=0

2007年3月29日 · In the product F = qv x B , take q = 4, v = 2.0i + 4.0j + 6.0k and F= 136i -176j + 72k. What then is in unit-vector notation if Bx = By? Homework Equations 136i-176j+72k = 8i+16j+24k + Bxi+Byj+Bzk The Attempt at a Solution I am stuck with the above equation. How do I solve for Bxi, Byj and Bzk?

2016年9月26日 · I have some confusion about the Lorentz force. First of all, I found that there are two equations for the Lorentz force: one of them is F = qE + qv × B , and the other one is just F = qv × B . What's the difference between them and how do you know which one to use? My other question is: Is the...