If an electron is going in the direction of magnetic field $\overrightarrow B $ with the velocity of $\overrightarrow {v\,} $ then the force on electron is
  • A
    Zero
  • B$e\,(\overrightarrow {v\,} \cdot \overrightarrow B )$
  • C$e\,(\overrightarrow {v\,} \times \overrightarrow B )$
  • D
    None of these
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