An infinitely long cylinder is kept parallel to an uniform magnetic field B directed along positive z-axis. The direction of induced current as seen from the z-axis will be

An infinitely long cyliner is kept parallel to a uniform magnetic field B directed along positive Z-axis. The direction of induced current as seen from the Z-axis will be

A proton is placed in a uniform electric field directed along positive xx axis. In which direction will it tend to move?

A proton is moving along positive x-axis in the presence of uniform magnetic field along positive y-axis. What is the direction of force acting on ?

An electron moving with velocity vecv along positive x-axis enters a uniform magnetic field vecB direction along positive y-axis. What is the magnitude and direction of force on the electron?