A particle with charge q moving with velocity v =v_ 0 i enters a region with magnetic…

Physics · Class 12 · CBSE — Moving Charges and Magnetism

A particle with charge \(q\) moving with velocity \(\vec{v}=v_{0} \hat{i}\) enters a region with magnetic field \(\vec{B}=B_{1} \hat{j}+B_{2} \hat{k}\) . The magnitude of force experienced by the particle is:

  1. \({qv}_{0}\left({~B}_{1}+{B}_{2}\right)\)
  2. \(q \sqrt{v_{0}\left(B_{1}+B_{2}\right)}\)
  3. \({qv}_{0} \sqrt{\left({~B}_{1}^{2}+{B}_{2}^{2}\right)}\)
  4. \(q \sqrt{{v}_{0}\left({~B}_{1}^{2}+{B}_{2}^{2}\right)}\)

Answer

(C) qv _ 0 ( ~B _ 1 ^ 2 + B _ 2 ^ 2 )

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