JEE Main 2007Annual, Paper 1PhysicsEasyMagnetic Effects of Current and Magnetism165× since 2002A current III flows along the length of an infinitely long, straight, thin walled pipe. ThenAOption A. the magnetic field at all points inside the pipe is the same, but not zeroBOption B. the magnetic field is zero only on the axis of the pipeCOption C. the magnetic field is different at different points inside the pipeDOption D. the magnetic field at any point inside the pipe is zeroCheckSkip · show solution
