Question

An electron having mass (9.1 × 10–³¹ kg) and charge (1.6 × 10–¹⁹ C) moves in a circular path of radius 0.5 m with a velocity 10⁶ms⁻¹ in a magnetic field. Strength of magnetic field is

• A. 3.6 ×10–⁵ T
• B. 1.13 ×10–⁵ T
• C. 2.8 ×10–⁶ T
• D. 5.6 ×10–⁵ T

Answer 1

Answer: (B)