Question

Assume that a 19 cm length of wire is carrying a current perpendicular to a 4. 1 T magnetic field and experiences a force of 7. 6 mN. What is the current in the wire?

A) 3. 4x10^-7 A

B) 9. 8x10^3 A

C) 1. 0x10^-2 A

D) 9. 8 A