Home
Class 12
PHYSICS
In the figure, the current l enters the ...

In the figure, the current l enters the circular loop of uniform wire of radius r at A and leaves it at B. The magnetic field of the centre of circular loop is

A

Zero

B

`(mu_(0)l)/(2r)`

C

`(mu_(0)l)/(4r)`

D

`(3mu_(0)l)/(4r)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE|Exercise Assignment Section C (Objective Type Questions (More than one option are correct)|14 Videos
  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE|Exercise Assignment Section D (Linked Comprehension Type Questions)|9 Videos
  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE|Exercise Assignment (Section A) Objective Type Questions (One option is correct)|55 Videos
  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE|Exercise SECTION D|16 Videos
  • NUCLEI

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D)|10 Videos

Similar Questions

Explore conceptually related problems

Magnetic field at the centre of a circular loop & arc

Find the magnetic field at the centre of the circular loop shown in figure.

Find the magnetic field at the centre of the circular loop shown in figure.

Consider the situation described in the previous problem. Suppose the current I enters the loop at the point A and leaves it at the point B. Find the magnetic field at the centre of the loop.

Current I enters at A in a square loop of uniform resistance and leaves at B. The ratio of magnetic field at E, the centre of square, due to segment AB to that due to DC is

A part of a long wire carrying a current i is bent into a circle of radius r as shown in figure. The net magnetic field at the centre O of the circular loop is

A square loop of edge 'a' carries a current l. The magnetic field at the centre of loop is

What will be magnetic field at centre of current carrying circular loop of radius R?

AAKASH INSTITUTE-MOVING CHARGES AND MAGNETISM-Assignment (Section B) Objective Type Questions (One option is correct)
  1. A wire of infinite length bent as shown in figure carries current l. W...

    Text Solution

    |

  2. A wire PQR carrying a current l is bent as shown in the figure. It is ...

    Text Solution

    |

  3. In the figure, the current l enters the circular loop of uniform wire ...

    Text Solution

    |

  4. An electron is fired parallel to uniform electric and uniform magnetic...

    Text Solution

    |

  5. The magnetic field inside a toroidal solenoid of radius R is B. If the...

    Text Solution

    |

  6. A square loop of edge 'a' carries a current l. The magnetic field at t...

    Text Solution

    |

  7. A proton, a deuteron and an alpha particle moving with equal kinetic ...

    Text Solution

    |

  8. A charge q enters into a magnetic field (B) perpendicularly with veloc...

    Text Solution

    |

  9. A solid metallic cylinder carriers a direct current. The magnetic fiel...

    Text Solution

    |

  10. Two identical magnetic dipoles of magnetic moments 1*0Am^2 each are pl...

    Text Solution

    |

  11. For a given length l of wire carrying a current l, how many circular t...

    Text Solution

    |

  12. Which of the following properties of magnetic line of force differs th...

    Text Solution

    |

  13. The earth's magnetic induction at a certain point is 7xx10^(-5) Wb/m^(...

    Text Solution

    |

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

    Text Solution

    |

  15. A charge q is spread uniformly over an insulated loop of radius r. If ...

    Text Solution

    |

  16. If plane of coil and uniform magnetic field B(4T0 is same then torque ...

    Text Solution

    |

  17. What is the force experienced by a semicircular wire of radius R when ...

    Text Solution

    |

  18. Suppose that a proton travelling in vacuum with velocity V(1) at right...

    Text Solution

    |

  19. When two parallel wires carrying current l and 2l in same direction ar...

    Text Solution

    |

  20. Calculate the torque acting upon the following structure carrying curr...

    Text Solution

    |