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)

The charge is moving along the direction of magnetic field. Then force acting on it is………

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