Home
Class 12
PHYSICS
In a coaxial, straight cable, the centra...

In a coaxial, straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero.

A

Outside the cable

B

Inside the inner conductor

C

Inside the outer conductor

D

In between the two conductors

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELDS DUE TO CURRENTS

    RESNICK AND HALLIDAY|Exercise Practice Question (More Than one correct choice )|12 Videos
  • MAGNETIC FIELDS DUE TO CURRENTS

    RESNICK AND HALLIDAY|Exercise Practice Question (Linked Comprehension)|16 Videos
  • MAGNETIC FIELDS DUE TO CURRENTS

    RESNICK AND HALLIDAY|Exercise Problems|45 Videos
  • INTERFERENCE AND DIFFRACTION

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Integer Type)|6 Videos
  • MAGNETIC FORCE

    RESNICK AND HALLIDAY|Exercise Practice Questions (Integer type )|7 Videos

Similar Questions

Explore conceptually related problems

In a coaxial, straght cable, the central conductor and the outer conductor carry equal currents in opposite directions.The magnetic field is non-zero.

A coaxial cable consists of a thin inner conductor fixed along the axis of a hollow outer conductor. The two conductor carry equal currents in opposite directions. Let B_1 and B_2 be the magnetic fields in the region between the conductors and outside the conductor, respectively. Then,

A coaxial cable carries the a current i in the inside conductor of radius a as shown in figure-4.80 and the outer conductor of inner radius b and outer radius c carries a current i' in opposite direction. Find the magnetic induction due to the coaxial cable at distance r from the central axis of the cable for (a) r gt a , (b) a lt r lt b and (c) b gt r gt c

Two long straight conductors are held parallel to each other 7 cm apart. The conductors carry currents of 9A and 16A in opposite directions. The distance of neutral point from the conductor carrying 16A current is

The two linear parallel conductors carrying currents in the opposite direction…………………each other.

A coaxial cable made up of two conductors. The inner conductor is solid and is of radius R_1 and the outer conductor is hollow of inner radius R_2 and outer radius R_3 . The space between the conductors is filled with air. The inner and outer conductors are carrying currents of equal magnitudes and in opposite directions. Then the variation of magnetic field with distance from the axis is best plotted as

Magnetic lines of force due to a straight conductor carrying current are

RESNICK AND HALLIDAY-MAGNETIC FIELDS DUE TO CURRENTS-Practice Question (Single Correct)
  1. Consider a long, straight wire of cross-sectional area A carrying a cu...

    Text Solution

    |

  2. Four very long straight wires carry equal electric currents in the +z ...

    Text Solution

    |

  3. Cross section of three wires is shown in the following figure. If the ...

    Text Solution

    |

  4. Consider the situation shown in figure. The straight wire is fixed but...

    Text Solution

    |

  5. Two long straight wires, each carrying current of 5.0 A, are kept para...

    Text Solution

    |

  6. In a coaxial, straight cable, the central conductor and the outer cond...

    Text Solution

    |

  7. A solenoid is connected to a battery so that a steady current flows th...

    Text Solution

    |

  8. A proton (mass = 1.67xx10^(-27) kg and charge 1.6xx10^(-19) C) enters ...

    Text Solution

    |

  9. If only 2% of the main current is to be passed through a galvanometer ...

    Text Solution

    |

  10. A deutron of kinetic energy 50 keV is describing a circular orbit of r...

    Text Solution

    |

  11. A particle of charge q and mass m is moving along the x-axis with a ve...

    Text Solution

    |

  12. The ratio of the magnetic field at the centre of a current carrying ci...

    Text Solution

    |

  13. The correct curve between the magnetic induction (B) along the axis of...

    Text Solution

    |

  14. Currents of 10A, 2A are passed through two parallel wires A and B resp...

    Text Solution

    |

  15. A current I is flowing in a conductor shaped as shown in figure. The r...

    Text Solution

    |

  16. A proton of mass m and charge +e is moving in a circular orbit in a ma...

    Text Solution

    |

  17. A proton and an alpha-particle enter a uniform magnetic field moving w...

    Text Solution

    |

  18. A strong magnetic field is applied on a stationary electron, then

    Text Solution

    |

  19. Two concentric circular coils of ten turns each are situated in the sa...

    Text Solution

    |

  20. Two insulated rings, one of a slighlty smaller diameter than the other...

    Text Solution

    |