question_answer

What is the magnitude of magnetic for CE per unit length on a wire carrying a current of 8A and making an angle of \[30{}^\circ \] with the direction of a uniform magnetic field of 0.15T:

A) 0.2 N/m                        

B) 0.6 N/m

C) 0.3 N/m                        

D) 0.8 N/m