Home
Class 12
PHYSICS
A particle of mass M and charge Q moving...

A particle of mass `M` and charge `Q` moving with velocity `vec(v)` describe a circular path of radius `R` when subjected to a uniform transverse magnetic field of induction `B`. The work done by the field when the particle completes one full circle is

A

`BQ v 2pi R`

B

`((mv^(2))/(R)) 2pi R`

C

Zero

D

`BQ 2pi R`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE|Exercise Assignment (Section B) Objective Type Questions (One option is correct)|34 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE|Exercise Assignment Section C (Objective Type Questions (More than one option are correct)|14 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE|Exercise Try Yourself|27 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE|Exercise SECTION D|16 Videos

  • NUCLEI

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D)|10 Videos

Similar Questions

Explore conceptually related problems

A particle of mass M and charge Q moving with velocity v describes a circular path of radius R when subjected to a uniform transverse magnetic field of induction B. The work done by the field when the particle completes one full circle is :

An electron is moving on a circular path of radius r with speed v in a transverse magnetic field B. e/m for it will be

A particle of mass m and charge Q moving with a velocity v enters a region on uniform field of induction B Then its path in the region is s

A charged particle of charge Q and mass m moves with velocity v in a circular path due to transverse magnetic field, B, then its frequency is

A charged particle is moving on a circular path of radius R in a uniform magnetic field under the Lorentz force F. How much work is done by the force in one round? Is the momentum of the particle changing?

A particle carrying a charge moves perpendicular to a uniform magnetic field of induction B with a momentum p then the radius of the circular path is

A charged particle of charge q and mass m is shot into a uniform magnetic field of induction B at an angle theta with the field. The frequency of revolution of the particle

The path of a charged particle moving in a uniform steady magnetic field cannot be a

A non-relativistic charged particle files through the electric field of a cyclindrical capacitor and gets into a unifrom transverse magnetic field with induction B (fig). In the capacitor the particle moves along the are of a circle, in the magnetic field, along a semi-circle of radius r . The potential differnce applied to the capacitor is equal to V , the radii of the electrodes are equal to a and b , with a lt b . Find the velocity of the particle and its specific charge q//m .

A particle of mass m, charge q and kinetic energy T enters in a transverse uniform magnetic field of induction B. After the 3 s, the kinetic energy of the particle will be

AAKASH INSTITUTE-MOVING CHARGES AND MAGNETISM-Assignment (Section A) Objective Type Questions (One option is correct)
  1. A long thin hollow metallic cylinder of radius 'R' has a current i amp...

    Text Solution

    |

  2. A proton an an alpha-particle, moving with the same velocity, enter a ...

    Text Solution

    |

  3. A particle of mass M and charge Q moving with velocity vec(v) describe...

    Text Solution

    |

  4. An electron is travelling along the x-direction. It encounters a m...

    Text Solution

    |

  5. Two ions having masses in the ratio 1 : 1 and charges 1 : 2 are projec...

    Text Solution

    |

  6. A charged particle is at rest in the region where magnetic field and e...

    Text Solution

    |

  7. An electron and a proton have equal kinetic energies. They enter in a ...

    Text Solution

    |

  8. A charge q moves region in a electric field E and the magnetic field B...

    Text Solution

    |

  9. Which particle will have minimum frequency of revolution when projecte...

    Text Solution

    |

  10. Mixed He^(+) and O^(2+) ions (mass of He^(+)=4 amu and that of O^(2+)=...

    Text Solution

    |

  11. When a charged particle enters a uniform magnetic field its kinetic en...

    Text Solution

    |

  12. There is a magnetic field acting in a plane perpendicular to this shee...

    Text Solution

    |

  13. A beam of protons is moving horizontally towards you. As it approaches...

    Text Solution

    |

  14. If a positively charged particle is moving as shown in the figure, the...

    Text Solution

    |

  15. A charged particle, having charge q(1) accelerated through a potential...

    Text Solution

    |

  16. Doubly ionized oxygen atoms (O^(2-)) and singly-ionized lithium atoms ...

    Text Solution

    |

  17. Two long conductors, separated by a distance d carry current I(1) and ...

    Text Solution

    |

  18. When two wires have current in same direction then force is

    Text Solution

    |

  19. A rectangular loop carrying a current i(2) situated near a long straig...

    Text Solution

    |

  20. Two parallel conductors A and B of equal lengths carry currents I and ...

    Text Solution

    |