Respuesta :

Answer:

Explanation:

Length of wire = 0.02 km -> (change to m) 20m

Current I =10 A

Magnetic Field B = 1*10^-6 T

a. Force = BILsinθ

θ = 90 degrees (given)

Force = 1*10^-6 x 10 x 20 x 1

Force = 2*10^-4 Newtons