Home
Class 12
PHYSICS
Two circular coils have radii in ratio 3...

Two circular coils have radii in ratio `3:4` and ratio of number of turns is `2:3`. The ratio of currents through coils is `1:4` find the ratio of magnetic induction of their centre.

Promotional Banner

Topper's Solved these Questions

  • Magnetic Fields due to Electric Current

    CHETANA PUBLICATION|Exercise Exercise|96 Videos
  • Kinetic Theory of Gases and Radiation

    CHETANA PUBLICATION|Exercise Exercise|110 Videos
  • Magnetic Materials

    CHETANA PUBLICATION|Exercise EXERCISE|74 Videos

Similar Questions

Explore conceptually related problems

Two circular coils are made of two identical wires of same length and carry same current. If the number of turns of the two coils are 4 and 2, then the ratio of magnetic induction at the centres will be

The bubbles have radii in the ratio 3:4 . The ratio of excess pressure inside them is

The number of turns in a circular coil of wire is 10 and average radius of each turn is 8 cm. A current of 5A is passed through the coil. Find the magnetic induction due to the current at a point at a distance of 6 cm on the axis of the coil from the centre.

Two soap bubbles have radii in the ratio of 2:1 The ratio of the excess pressures inside them is

The co-efficient of self induction of a coil is the ratio of

If the ratio of amplitude of two waves is 4:3 , then the ratio of maximum and minimum intensity is

If the ratio of corresponding sides of similar triangles is 3 : 4 , then the ratio of their areas is

The ratio of incomes of two persons is 9:7 The ratio of their expenses is 4:3 Every person saves rupees 200 find the income of each.

Two soap bubbles have radii in the ratio of 4:3 . What is the ratio of work done to blow these bubbles ?

Two wires have lengths in the ratio 1:4 and radii in the ratio 1: 2 . The resistivities of the materials of the wires are in the ratio 5: 1 . Compare their resistances.

CHETANA PUBLICATION-Magnetic Fields due to Electric Current-Exercise
  1. Two circular coils have radii in ratio 3:4 and ratio of number of turn...

    Text Solution

    |

  2. Find the magnetic induction at a distance of 5 cm from a long straight...

    Text Solution

    |

  3. A flat circular coil of 70 turns and radius 10 cm carriers a current I...

    Text Solution

    |

  4. The number of turns in a circular coil of wire is 10 and average radiu...

    Text Solution

    |

  5. Through a coil of radius 3 cm and 25 turns, a current is passed so as ...

    Text Solution

    |

  6. A circular loop has radius 10 cm and it is carrying a current of 0.1A....

    Text Solution

    |

  7. A charged particle moves with velocity of 3 xx 10^6 m//s at right angl...

    Text Solution

    |

  8. A conductor of length 25 cm is placed:- parallel. It a charge of 1C pa...

    Text Solution

    |

  9. A conductor of length 25 cm is placed:- perpendicular. It a charge of ...

    Text Solution

    |

  10. A conductor of length 25 cm is placed:- inclined at an angle of 30^@ t...

    Text Solution

    |

  11. Find the force per unit length between the parallel wires kept 0.1m ap...

    Text Solution

    |

  12. A long straight wire carries a current of 35 A. What is the magnitude ...

    Text Solution

    |

  13. A solenoid of length 100 cm having 150 turns carries a current of 3A. ...

    Text Solution

    |

  14. A solenoid of length 100 cm having 150 turns carries a current of 3A. ...

    Text Solution

    |

  15. A 50 m long solenoid has 500 turns and produces a magnetic field of 2....

    Text Solution

    |

  16. A rectangular coil of effective area 0.04 m^2 is suspended freely in a...

    Text Solution

    |

  17. A proton is accelerated in a cyclotron in which the magnetic induction...

    Text Solution

    |

  18. In a cyclotron, magnetic field of 3.5 Wb//m^2 is used to accelerate pr...

    Text Solution

    |

  19. A rectangular coil of effective area 0.01 m^2 suspended freely in a ra...

    Text Solution

    |

  20. A 3 cm wire carrying a current of 10 A is placed inside be solenoid pe...

    Text Solution

    |

  21. A square coil of side 10 cm consists of 20 turns and carries a current...

    Text Solution

    |