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Q.A uniform magnetic field of 0.4 T exists in a region. An electron is projected with velocity 4×1064 × 10^6 m/s perpendicular to the field. The radius of the circular path is (me=9.1×10−31(m_e = 9.1 × 10^{-31} kg, e=1.6×10−19C)e = 1.6 × 10^{-19} C)

a
5.68×10−5m5.68 × 10^{-5} m
b
5.68×10−4m5.68 × 10^{-4} m
c
5.68×10−3m5.68 × 10^{-3} m
d
5.68×10−6m5.68 × 10^{-6} m

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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