Question

A metallic wire having a length of 2 m and weight of 4 x 10^-3 N is found to remain at rest in a uniform and transverse magnetic field of 2 x 10^-4 T. Current flowing through the wire is:

Options

• 10 A

• 5 A

• 2 A

• 1 A

Answer 1

10 A

A metallic wire having a length of 2 m and weight of 4 x 10^-3 N is found to remain at rest in a uniform and transverse magnetic field of 2 x 10^-4 T. Current flowing through the wire is: 10 A