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The total momentum of electrons in a straight wire of copper of length $1\, metre$ carrying a current of $16\, A$ is
  • A$91 \times 10^{-12}\, kg\, m/sec$
  • B$91 \times 10^{-15}\, kg\, m/sec$
  • C$91 \times 10^{-14}\, kg\, m/sec$
  • D$91 \times 10^{-6}\, kg\, m/sec$
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