A Long Solenoid (Diameter = 5

A long solenoid (diameter = 5.00 cm) is wound with1000 turns per meter of thin wire through which a constant 0.292 A current is maintained.A wire carrying 10.0 A current is inserted along the axis of the solenoid.How far from the axis of the solenoid and inside the solenoid is the magnitude of the magnetic field 0.650 mT?

A) 5.0 mm
B) 10.mm
C) 2.5 mm
D) 6.1 mm
E) 3.7 mm