A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________?

Related Mcqs:

A magnetic field___________________?

A. always exerts a force on a charged particle B. never exerts a force on a charged particles C. exerts a force if the charged particle is moving in the direction of the magnetic field lines D. exerts a force if the charged particle is moving perpendicular to the magnetic field lines...

Which one of the following material is most suitable for making core of an electromagnet ?

A. air B. steel C. Cu-Ni alloy D. soft iron...

The relationship between Tesla and smaller unit Gauss of magnetic induction is given by_________________?

A. 1T = 103 G B. 1T = 10-4 G C. 1T = 10-2 G D. 1T = 104 G...

Magnetic flux and flux density are related by___________________?

A. magnetic flux = flux density / area B. magnetic flux = flux density x area C. flux density = magnetic flux area D. flux density = magnetic flux x area...

The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________________?

A. a circle B. a spiral C. an ellipse D. helix...