An electric field of $1500\, V/m$ and a magnetic field of $0.40\, Wb/m^2$ act on a moving electron. The minimum uniform speed along a straight line the electron could have is
- A$1.6 \times 10^{15}\, m/s$
- B$6 \times 10^{-16}\, m/s$
- C$3.75 \times 10^{3}\, m/s$
- D$3.75 \times 10^{2}\, m/s$
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