Home
Class 12
PHYSICS
A hollow tube is carrying an electric cu...

A hollow tube is carrying an electric current along its length distributed uniformly over its surface. The magnetic field

A

increases linearly from the axis to the surface

B

is constant inside the tube

C

is zero at the axis

D

is non-zero outside the tube at finite distance from surface

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
Promotional Banner

Topper's Solved these Questions

  • ELECTRODYNAMICS

    RESONANCE|Exercise Exercise-2 PART-3 COMPREHENSION-1|5 Videos

  • ELECTRODYNAMICS

    RESONANCE|Exercise Exercise-2 PART-3 COMPREHENSION-2|3 Videos

  • ELECTRODYNAMICS

    RESONANCE|Exercise Exercise-2 PART-2|26 Videos

  • ELECTRO MAGNETIC WAVES

    RESONANCE|Exercise Exercise 3|27 Videos

  • ELECTROMAGNETIC INDUCTION

    RESONANCE|Exercise A.l.P|19 Videos

Similar Questions

Explore conceptually related problems

A rubber balloon is given a charge Q distributed uniformly over its surface. Then

A long cylinder of wire of radius 'a' carries a current i distributed uniformly over its cross section. If the magnetic fields at distances rlta and Rgta from the axis have equal magnitude, then

Statement-1 Magnetic force is always onon-central while the electric force may be central Statement-2 magnetic field can acclerate a charged particle Statement-3 Consider a long, straight wire of radius R, carrying a current distributed uniformly over its cross-section. The magnitude of the magnetic field is maximum at surface of the wire.

Current flows through a straight cylindrical conductor of radius r. The current is distributed uniformly over its cross-section. The magnetic field at a distanace x from the axis of the conductor has magnitude B:

A long, straight wire of radius R carries a current distributed uniformly over its cross section. The magnitude of the magnetic field is

A thin but long, hollow, cylindrical tube of radius r carries a current i along its length. Find the magnitude of the magnetic field at a distance r/2 from the surface (a) inside the tube (b) outside the tube.

A hollow sphere of radius a carries a total charge Q distributed uniformly over its surface. A small area dA of the sphere is cut off. Find the electric field at the centre due to the remaining sphere.

A long, cylindrical wire of radius b carries a current i distributed uniformly over its cross section. Find the magnitude of the magnetic field at a point inside the wire at a distance a from the axis.

A long thin walled pipe of radius R carries a current I along its length The current density is uniform over the circumference of the pipe The magnetic field at the center of the pipe due to quarter portion of the pipe shown, is .

RESONANCE-ELECTRODYNAMICS-Exercise-2 PART-3
  1. A magnetic needle is kept in a non uniform magnetic field . It experie...

    Text Solution

    |

  2. The magnetic field at the origin due to a current element I(vec dl ) p...

    Text Solution

    |

  3. A non-conducting disc having unifrom positive charge Q, is rotating ab...

    Text Solution

    |

  4. A hollow tube is carrying an electric current along its length distrib...

    Text Solution

    |

  5. In a coaxial, straght cable, the central conductor and the outer condu...

    Text Solution

    |

  6. A particle of charge +q and mass m moving under the influence of a un...

    Text Solution

    |

  7. Let vecE and vecB denote the electric and magnetic field in a certain ...

    Text Solution

    |

  8. Magnetic field strength at the centre of regular pentagon made of a co...

    Text Solution

    |

  9. H^(+), He^(+) and O^(++) all having the same kinetic energy pass thro...

    Text Solution

    |

  10. A beam of electrons moving with a momentum p enters a uniform magnetic...

    Text Solution

    |

  11. Two ions have equal masses but one is singly- ionized and the other i...

    Text Solution

    |

  12. If a charged particle at rest experiences no electromagnetic force,

    Text Solution

    |

  13. A charged particle goes undeflected in a region containing uniform el...

    Text Solution

    |

  14. A charged particle moves along a circle under the action of possible c...

    Text Solution

    |

  15. A single circular loop of wire with radius 0.02 cm carries a current o...

    Text Solution

    |

  16. Figure shows cross section of two large parallel metal sheets carrying...

    Text Solution

    |

  17. Let [in(0)] denote the dimensional formula of the permittivity of the ...

    Text Solution

    |

  18. A positively charged particle is moving along the positive X-axis.You ...

    Text Solution

    |