Home
Class 12
PHYSICS
A horizontal overheadpowerline is at hei...

A horizontal overheadpowerline is at height of `4 m` from the ground and carries a current of `100 A` from east to west. The magnetic field directly below it on the ground is
`( nu_(0) = 4 pi xx 10^(-7) Tm A^(-1)`

A

`2.5xx10^(-7)" T northwards"`

B

`2.5xx10^(-7)" T northwards"`

C

`5xx10^(-6)" T northwards"`

D

`5xx10^(-6)" T northwards"`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 26

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 28

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A current carrying power line carries current from west to east. The direction of magnetic field 1m above is

A long straight wire is carrying a current of 12 A . The magnetic field at a distance of 8 cm is (mu_(0) =4pi xx 10^(-7) N A ^(2))

From an infinite stright conductor carrying a current of 100 A, the magnetic field at a distance 5m

A long straight wire carries an electric current of 2A . The magnetic induction at a perpendicular distance of 5m from the wire is ( mu_(0)4 pi xx 10^(7)Hm^(-1))

A long horizontal overhead high tension wire, fixed in east west direction carries a current of 60 A. What is the magnetic field at a point 3 m just below the power line? [mu_0=4pi xx 10^(-7)]

A horizontal overhead power lines carries a current of 90 A in east to west direction. What is the magnitude and direction of the magnetic field due to the current 1*5m below the line?

NTA MOCK TESTS-NTA NEET SET 27-PHYSICS
  1. Two identical capacitors, have the same capacitance C. One of them is ...

    Text Solution

    |

  2. On moving a charge of 20 coulomb by 2 cm, 2J of work is done , the...

    Text Solution

    |

  3. A horizontal overheadpowerline is at height of 4 m from the ground and...

    Text Solution

    |

  4. A magnetic needle is kept in a non uniform magnetic field . It experie...

    Text Solution

    |

  5. Two identical conducting rods are first connected independently to two...

    Text Solution

    |

  6. Which statement is incorrect

    Text Solution

    |

  7. An ideal gas heat engine operates in a Carnot's cycle between 227^(@)C...

    Text Solution

    |

  8. If C(P and C(v) denote the specific heats nitrogen per unite mass at c...

    Text Solution

    |

  9. At what temperature rms speed of air molecules is doubled of that at N...

    Text Solution

    |

  10. During adiabatic change, specific heat is

    Text Solution

    |

  11. A police car with a siren of frequency 8 KHz is moving with uniform ve...

    Text Solution

    |

  12. A body moving in a straight line with constant acceleration covers dis...

    Text Solution

    |

  13. At a particular instant, a stationary observer on the ground sees a pa...

    Text Solution

    |

  14. A block of mass m is placed on a rough horizontal floor and it is pull...

    Text Solution

    |

  15. Three charges are placed at the vertex of an equilateral triangle as s...

    Text Solution

    |

  16. A force of 7hati + 6hatk newton makes a body move on a rough plane wit...

    Text Solution

    |

  17. Two bodies of 6kg and 4kg masses have their velocity 5hati - 2 hat j +...

    Text Solution

    |

  18. Which of the following statements is FALSE for a paricle moving in a...

    Text Solution

    |

  19. A satellite of mass m revolves around the earth of radius R at a hight...

    Text Solution

    |

  20. The time period of a satellite of earth is 5 hours. If the separation ...

    Text Solution

    |