A positive charge is moving towards an observer. The direction of magnetic induction lines is

A negative charge is coming towards the observer. The direction of the magnetic field produced by it will be (as seen by observer)

A positively charged particle is moving towards the east direction and is found to get deviated towards south. What is the possible direction of the magnetic field?

A positive charge is moving vertically upwards when it enters a magnetic field directed to the earth. What is the direction of force on the charge?

A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. The particle will

A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. The partical will be

A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. The partical will be

An electric charge q is moving with a velocity w in the direction of a magnetic field B. The magnetic force acting on the charge is