question_answer

A current of 5 ampere is flowing in a wire of length 1.5 metres. A force of 7.5 N acts on it when it is placed in a uniform magnetic field of 2 Tesla. The angle between the magnetic field and the direction of the current is [MP PET 1997; Pb. PET 2003]

A)            \[30{}^\circ \]                      

B)            45°

C)            60°

D)            90°