When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________?

Related Mcqs:

1. When an electron moving with a uniform speed in a vacuum enters a magnetic field in a direction perpendicular to the field the subsequent path of the electron is ___________________?

   A. a straight line parallel to the field B. a parabola in a plane perpendicular to the field C. a circle in a plane perpendicular to the field D. a straight line along its initial direction...

2. 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...

3. Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called____________________?

   A. magnetic flux B. magnetic field intensity C. magnetic induction D. self inductance...

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

   A. independent mass m B. directly proportional to m C. directly proportional to q D. directly proportional to B...

5. An electron enters a region where the electric field E is perpendicular to the magnetic field B. It will suffer no deflection if_________________?

   A. E = BeV B. B = eE/V C. E = BV D. E = BeV/2...

6. A body moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R the ration of displacement to the covered path will be_____________?

   A. πR B. 2π R C. 0 D. 4πR...

7. Moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R, the ratio of displacement to the covered path will be_______________?

   A. πR B. 2πR C. 0 D. 4πR...

8. A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________?

   A. F=1/B B. F=1/Bsinθ C. F/0 D. F=1/Bcosθ...

9. If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?

   A. τ = NIAB cosφ B. τ = NIAB sinφ C. τ = NIAB tanφ D. τ = NIAB...

10. When a body is moving along a circular path it covers a certain angle in a given interval of time. Such type of motion is__________________?

    A. Vibratory motion B. Linear motion C. Rotatory motion D. Angular motion...