4. е=В*v*L*sin90==0.9*20*L*1=7.2, L=7.2/18= 0.4 м
5. F=μ0*I1*I2*L/(2πd)= 4πe-7*35*76*1.5/(2π*0.06) =0.0133 Н
4. е=В*v*L*sin90==0.9*20*L*1=7.2, L=7.2/18= 0.4 м
5. F=μ0*I1*I2*L/(2πd)= 4πe-7*35*76*1.5/(2π*0.06) =0.0133 Н