Answer:
Step-by-step explanation:
F = qvB
Where F equal to the magnetic force on the particle.
q = charge on the particle
v = velocity of the particle
B =Magnetic field
F = 0.520N
q = 7.4 μC = 7.4×10-⁶C
v = 3×10⁵m/s
B= ?
B = F/qv
B = 0.520/(7.4×10-⁶ ×3×10⁵)
B = 0.234T.