EXAM ENDS IN AN HOUR! PLS HELP I’LL MAKE U BRAINLIEST!!!

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