Example: Magnetic Field

==Problem==A Metal Rod with length 1.2m and mass 500 gm is suspended in a magnetic field of 0.9 T. Determine the current needed to be able to release the tension in the supports.

Figure will be shown here

Solution

Ampere's Force Law ${\vec {F}}=\int \limits _{c}I{\vec {d}}l\times {\vec {B}}$