A current of 5A is carried by a straight wire in a uniform flux density of 2 x 10^-3T. Calculate the force per unit length on the wire if it is

a - Perpendicular to the field
b - inclined at 30degrees to it

Question

A current of 5A is carried by a straight wire in a uniform flux density of 2 x 10^-3T. Calculate the force per unit length on the wire if it is

a - Perpendicular to the field
b - inclined at 30degrees to it

anonymous · Answer

Use $$F = B I L sin \theta$$, but solve with the L on the same side so your answer will be in Newtons per length.