Home
Class 12
PHYSICS
The magnetic field due to a conductor fo...

The magnetic field due to a conductor fo unifrom cross section of radius `a` and carrying a steady current is represented by

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise CRITICAL THINKING|68 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

Show graphically the variation of magnetic field due to a straight conductor of uniform cross-section or radius ‘a’ and carrying steady currently as a function of distance r (a > r) from the axis of the conductor.

A wire of non-uniform cross-section is carrying a steady current. Along the wire

The magnetic field near a current carrying conductor is given by

A straight thick long wire of uniform cross-section of radius 5cm is carrying a steady current 5A . Calculate the magnetic field at a point 2cm from the axis of wire, well inside the wire.

State the Biot-Savart's law for the magnetic field due to a current carrying element. Use this law to obtain a formula for magnetic field at the centre of a circular loop of radius R carrying a steady current I, sketch the magnetic field lines for a current loop clearly indicating the direction of the field.

Magnetic Field due to a Current Carrying Conductor

Write Ampere's circuital law.A long straight wire of a circular cross section (radius a ) carrying steady current.Current is uniformly distributed in the wire.Calculate magnetic field inside the region (r lt a) in the wire.

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-COMPETITIVE THINKING
  1. A current I is flowing in a conductor shaped as shown in figure. The r...

    Text Solution

    |

  2. The magnetic inductionn at the centre O in the figure shown is

    Text Solution

    |

  3. Two long parallel wires P and Q are both perpendicular to the plane of...

    Text Solution

    |

  4. A loop carrying current I lies in the x-y plane as shown in the figu...

    Text Solution

    |

  5. The magnetic induction at any point due to a long straight wire carryi...

    Text Solution

    |

  6. The magnetic field due to a conductor fo unifrom cross section of radi...

    Text Solution

    |

  7. A long thin hollow metallic cylinder of radius 'R' has a current i amp...

    Text Solution

    |

  8. A galvanometer of resistance G is shunted by a resistance S ohm. To...

    Text Solution

    |

  9. A galvanometer of resistance 50 Omega is connected to a battery of 8 V...

    Text Solution

    |

  10. A galvanometer of resistance 30Omega is connected to a battery of emf ...

    Text Solution

    |

  11. A galvanometer of resistance 50 Omega is connected to a battery of 3 ...

    Text Solution

    |

  12. A circuit contains an ammeter, a battery of 30 V and a resistance 40.8...

    Text Solution

    |

  13. In the circuit shown below, the ammeter and the voltmeter readings are...

    Text Solution

    |

  14. The deflection in galvanometer falls to ((1)/(4))^(th) when it is shun...

    Text Solution

    |

  15. A voltmeter of 250 mV range having a resistance of 10 Omega is convert...

    Text Solution

    |

  16. A cyclotron is used to accelerate protons, deuterons, alpha-particles,...

    Text Solution

    |

  17. An alternating electric field, of frequency v, is applied across the d...

    Text Solution

    |

  18. A proton, an alpha particle both enter a region of uniform magneitc fi...

    Text Solution

    |

  19. An electron revolves along a circular path of radius 20 cm with consta...

    Text Solution

    |

  20. A light charged particle is revolving in a circle of radius 'r' in ele...

    Text Solution

    |