Home
Class 12
PHYSICS
A particle moving in a magnetic field in...

A particle moving in a magnetic field increases its velocity, then its radius of the circle

A

decreases

B

increases

C

remains the same

D

becomes half

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise CRITICAL THINKING|68 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|111 Videos
  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos
  • MAGNETISM

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

A particle moving in a verticle circle its

A particle is moving in a uniform magnetic field, then

A charged particle is moving in a uniform magnetic field and losses 4% of its KE. The radius of curvature of its path change by

The change in the kinetic energy of a charged particle moving in a uniform magnetic field will be zero when its velocity is

The radius of and alpha -particle moving in a circle in a constant magnetic field is half of the radius of and electron moving in circular path in the same field. The de Broglie wavelength of alpha -particle is n times that of the electron. Find n (an integer).

A charged particle moves in a uniform magnetic field perpendicular to it, with a radius of curvature 4 cm. On passing through a metallic sheet it loses half of its kinetic energy. Then, the radius of curvature of the particle is

Assertion : The kinetic energy does not change when a particle moves in uniform magnetic field. Reason : The velocity of the particle is not affected by magnetic field.

A charged particle moving in a uniform magnetic field penetrates a layer of lead and there by loses one-half of its kinetic energy. How does the radius of curvature of its path change?

A charged particle moves in a uniform magnetic field. The velocity of the particle at some instant makes an acute angle with the magnetic field. The path of the particle will be

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-EVALUATION TEST
  1. A particle moving in a magnetic field increases its velocity, then its...

    Text Solution

    |

  2. Magnetic field induction at the centre of a circular coil shown in the...

    Text Solution

    |

  3. A long solenoid carries current I. Curve between energy density (at mi...

    Text Solution

    |

  4. A circular coil carrying current is placed in a region of uniform magn...

    Text Solution

    |

  5. Find the magnetic induction at point O if the current carrying wire is...

    Text Solution

    |

  6. A proton of mass m and charge q is accelerated by a potential differen...

    Text Solution

    |

  7. A conductor of length l is placed in E - W direction on a plane. Earth...

    Text Solution

    |

  8. A current I is flowing in a hexgonal coil of side a figure. The magnet...

    Text Solution

    |

  9. A wire is bent in the form of a circular arc with a straight portion A...

    Text Solution

    |

  10. alpha particles, each of energy 2 MeV, are transmitted in a uniform ma...

    Text Solution

    |

  11. The field normal to the plane of a wire of n turns and radis r which c...

    Text Solution

    |

  12. Calculate the magnetic field at distance y from the centre of the axis...

    Text Solution

    |

  13. A wire of cross-sectional area A forms three sides of a square and is ...

    Text Solution

    |

  14. A wider conductor strip of width x is bent into a slender tubing of ra...

    Text Solution

    |

  15. A long wire carrying a steady current is bent into a single coil such ...

    Text Solution

    |

  16. Find the magnetic moment of a thin round loop with current if the radi...

    Text Solution

    |

  17. A microammeter has as resistance of 100 Omega and full scale range of ...

    Text Solution

    |

  18. A current i is flowing in a straight conductor of length L. The magnet...

    Text Solution

    |

  19. A circular coil of radius r carries a current I. The magnetic field at...

    Text Solution

    |

  20. An infinite straigh conductor carrying current 2 I is split into a loo...

    Text Solution

    |