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A $2\, MeV$ proton is moving perpendicular to a uniform magnetic field of $2.5\, tesla$. The force on the proton is
  • A$2.5 \times {10^{ - 10}}\,N$
  • B$7.6 \times {10^{ - 11}}\,N$
  • C$2.5 \times {10^{ - 11}}\,N$
  • D$7.6 \times {10^{ - 12}}\,N$
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