Home
Class 12
PHYSICS
A cell is connected between the point A ...

A cell is connected between the point A and C of a circular conductor ABCD of centre `O, /_AOC = 60^(@)`. If `B_(1_` and `B_(2)` are the magnitude of magnetic fields at O due to the currents in ABC and ADC respectively, the ratio of `B_(1)//B_(2)` is.

A

`0.2`

B

6

C

1

D

5

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SOURCES OF MAGNETIC FIELD

    CENGAGE PHYSICS ENGLISH|Exercise single correct Ansewer type|12 Videos

  • SOURCES OF MAGNETIC FIELD

    CENGAGE PHYSICS ENGLISH|Exercise Subjective type|10 Videos

  • RAY OPTICS

    CENGAGE PHYSICS ENGLISH|Exercise DPP 1.6|12 Videos

  • WAVE OPTICS

    CENGAGE PHYSICS ENGLISH|Exercise Comprehension Type|14 Videos

Similar Questions

Explore conceptually related problems

A cell is connected between the points A and C of a circular conductor ABCD of centre 'O'.angle AOC = 60^(@) . If B_(​1) and B_(​2) are the magnitudes of the magnetic fields at O due to the currents in ABC and ADC respectively, the ratio (B_(1))/(B_(2)) , is

A cell is connected between the points A and C of a circular conductor ABCD of centre O . angle AOC = 60^(@) . If B_(​1) and B_(​2) are the magnitudes of the magnetic fields at O due to the currents in ABC and ADC respectively, the ratio (B_(1))/(B_(2)) , is

The magnitude of the magnetic field at O ( centre of the circular part ) due to the current - carrying coil as shown is :

The figure shows tow coaxial circulalr loop a1 and 2, which forms same solid angle theta at point O . If B_1 and B_2 are the magnetic fields produced at the point O due to loop 1 and 2 respectively, then

A magnetic compass needl oscillates 30 times per minute at a place where the dip is 45^(@) and 40 times per minute where the dip is 30^(@) if B_(1) and B_(2) are respectively the total magnetic field due to the earth at the two places then the ratio B_(1)//B_(2) is best given by

As shown in figure a cell is connected across two points A and B of a uniform circular conductor of radius r. Prove that the magnetic field induction at its centre O will be zero.

Two coils are having magnetic field B and 2B at their centres and current i and 2i then the ratio of their radius is

A copper wire of diameter 1.6 mm carries a current of 20A. Find the maximum magnitude of the magnetic field (vec B)due to this current.

A copper wire of diameter 1.6 mm carries a current of 20A. Find the maximum magnitude of the magnetic field (vec B) due to this current.

A and B are two concentric circular conductors of centre O and carrying currents i_(1) and i_(2) as shown in the adjacent figure. If ratio of their radii is 1:2 and ratio of the flux densities at O due to A and B is 1:3 , then the value of i_(1)//i_(2) is

CENGAGE PHYSICS ENGLISH-SOURCES OF MAGNETIC FIELD-single correct Answer Type
  1. A thin wire of length l is carrying a constant current. The wire is be...

    Text Solution

    |

  2. A neutral point is obtained at the centre of a vertical circular coil ...

    Text Solution

    |

  3. Two concentric coplanar circular loops of radii r(1) and r(2) carry cu...

    Text Solution

    |

  4. Two similar coils are kept mutually perpendicular such that their cent...

    Text Solution

    |

  5. A current i ampere flows in a circular arc of wire whose radius is R, ...

    Text Solution

    |

  6. In the figure shown there are two semicircles of radii r(1) and r(2) i...

    Text Solution

    |

  7. Find magneitc field at O

    Text Solution

    |

  8. An infinitely long conductor is bent into a circle as shown in figure....

    Text Solution

    |

  9. A part of a long wire carrying a current i is bent into a circle of ra...

    Text Solution

    |

  10. In the figure, what is the magnetic field at the point O?

    Text Solution

    |

  11. A circular current carrying coil has a radius R. The distance from the...

    Text Solution

    |

  12. Two circular coils X and Y, having equal number of turns and carrying ...

    Text Solution

    |

  13. The field normal to the plane of a wire of n turns and radis r which c...

    Text Solution

    |

  14. A cell is connected between the point A and C of a circular conductor ...

    Text Solution

    |

  15. In the given figure net magnetic at O will be

    Text Solution

    |

  16. The unit vectors hati,hatj and hatk are as shown below. What will be...

    Text Solution

    |

  17. A staright wire of length (pi^(2)) meter is carrying a current of 2A a...

    Text Solution

    |

  18. L is a circular ring made of a uniform wire, currents enters and leave...

    Text Solution

    |

  19. Two circular coils X and Y, having equal number of turns, carry equal ...

    Text Solution

    |

  20. Figure shows a long wire bent at the middle to from a right angle

    Text Solution

    |