An electron moves with a speed 2 × 105 m/s along the positive x-direction in the presence of a magnetic induction B = i + 4] - 3k T . The magnitude of the force experienced by the electron in newton is :(charge on the electron = 1. 6 × 10⁻¹⁹C)
A. 1. 18 × 10⁻¹³
B. 1. 28 × 10⁻¹³
C. 1. 6 × 10⁻¹³
D. 1. 72 × 10⁻¹³