Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A horizontal wire is hung from the ceiling of a room by two massless strings. The wire has a length of 0.20 m and a mass of 0.080 kg. A uniform magnetic field of magnitude 0.075 T is directed from the ceiling to the floor. When a current of I = 40 A exists in the wire, the wire swings upward and, at equilibrium, makes

A horizontal wire is hung from the ceiling of a room by two massless strings. The wire has a length of 0.20 m and a mass of 0.080 kg. A uniform magnetic field of magnitude 0.075 T is directed from the ceiling to the floor. When a current of I = 40 A exists in the wire, the wire swings upward and, at equilibrium, makes

A loop of wire has the shape of a right triangle (see the drawing) and carries a current of I = 5.0 A. A uniform magnetic field is directed parallel to side AB and has a magnitude of 2.0 T. The drawing shows a thin