NEST2017PhysicsMagnetic Effects of Current
A solid cylinder of mass m , length l and radius R , is placed on two horizontal parallel rails of separation l . The cylinder carries a constant current i . A uniform magnetic field B , directed vertically upwards, is switched on. After travelling a distance a , its speed is (assume rolling without slipping)
Options
- A2 i l a B 3 m
- B4 i l a B 3 m
- C2 i l a B m
- D4 i l a B m
Correct answer
B. 4 i l a B 3 m
Step-by-step solution
No solution available.