Aproton enters a magnetic field of flux density 1.5 Wb/m2 with a speed of 2x 107 m/s at angle of 30° with the field. The force on the proton will be-
A. 0.24 x 10-12 N
B. 2.4 x 10-12 N
C. 24 x 10-12 N
D. 0.024 x 10-12 N
Answer:B
Aproton enters a magnetic field of flux density 1.5 Wb/m2 with a speed of 2x 107 m/s at angle of 30° with the field. The force on the proton will be-
A. 0.24 x 10-12 N B. 2.4 x 10-12 N C. 24 x 10-12 N D. 0.024 x 10-12 N