Home
Class 12
PHYSICS
Two concentric coils of 10 turns each ar...

Two concentric coils of 10 turns each are situated in the same plane.Their radii are 2 cm and 4cm and they carry respectively 0.2 and 0.3 A current in opposite direction The magnetic field (in `Wb//m^(2)`) at the centre is

A

`(35)/(4)mu_(0)`

B

`(mu_(0))/(80)`

C

`(7)/(80)mu_(0)`

D

`(5)/(4)mu_(0)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES & MAGNETISM

    VMC MODULES ENGLISH|Exercise EFFICIENT|50 Videos

  • MOVING CHARGES & MAGNETISM

    VMC MODULES ENGLISH|Exercise IMPECCABLE|53 Videos

  • MOVING CHARGES & MAGNETISM

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-K|10 Videos

  • Motion in Two Dimensions

    VMC MODULES ENGLISH|Exercise MCQ|2 Videos

  • PROPERTIES OF MATTER

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive) Level - 2 (MATRIX MATCH TYPE)|1 Videos

Similar Questions

Explore conceptually related problems

Two concentric circular coils of ten turns each are situated in the same plane. Their radii are 20 and 40 cm and they carry respectively 0.2 and 0.3 ampere current in opposite direction. The magnetic field in Wb//m^(3) at the centre is

Two concentric coils of 10 turns each are placed in the same plane. Their radii are 20 cm and 40 cm and carry 0.2 A and 0.3 A current respectively in opposite directions. The magnetic induction (in tesla) at the centre is

Two concentric coils each of radius equal to 2 pi cm are placed at right angles to each other 3 ampere and 4 ampere are the currents flowing in each coil respectively. The magnetic induction in weber//m^(2) at the centre of the coils will be ( mu_(0) = 4 pi xx 10^(-7) Wb// A.m)

Two concentric coils each of radius equal to 2 pi cm are placed at right angles to each other 3 ampere and 4 ampere are the currents flowing in each coil respectively. The magnetic induction in weber//m^(2) at the centre of the coils will be ( mu_(0) = 4 pi xx 10^(-7) Wb// A.m)

Two concentric circular coils A and B have radii 25cm and 15 cm and carry currents 10A and 15A respectively. A has 24 turns and B has 18 turns. The direction of currents are in opposite order. The magnetic induction at the common centre of the coils is

Two circular coils of wire each having a radius of 4cm and 10 turns have a common axis and are 3cm apart If a current of 1A passes through each coil in the opposite direction find the magnetic induction (i) At the center of either coil (ii) At a point on the axis, midway between them .

Two circular coils of wire each having a radius of 4cm and 10 turns have a common axis and are 3cm apart If a current of 1A passes through each coil in the opposite direction find the magnetic induction (i) At the center of either coil (ii) At a point on the axis, midway between them .

Two circular coils of radii 10 cm and 40 cm and equal number of turns are connected in series to a battery. The ratio of magnetic fields at their centres is

Two coplanar concentric circular coils of radii r and 2r, have the same number of turns n. The smaller coil carries a clockwise current i, while the larger coil carries an anticlockwise current 2i. The magnetic field induction at the centre is

A 100 turns coil shown in figure carries a current of 2 amp in a magnetic field B=0.2 Wb//m^(2) . The torque acting on the coil is

VMC MODULES ENGLISH-MOVING CHARGES & MAGNETISM -ENABLE
  1. A and B are two concentric circular conductors of centre O and carryin...

    Text Solution

    |

  2. The straight long conductors AOB and COD are perpendicular to each oth...

    Text Solution

    |

  3. Two concentric coils of 10 turns each are situated in the same plane.T...

    Text Solution

    |

  4. A straight wire and a circular loop both carrying currents are in the ...

    Text Solution

    |

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

    Text Solution

    |

  6. Two thick wires and two thin wires, all of the same materais and sam...

    Text Solution

    |

  7. The radius of a circular current carrying coil is R. The distance on t...

    Text Solution

    |

  8. Equal currents A are flowing through the wires parallel to y-axis lo...

    Text Solution

    |

  9. The length of a solenoid is 0.1m and its diameter is very small . A wi...

    Text Solution

    |

  10. A particle of mass M and charge Q moving with velocity v describe a ci...

    Text Solution

    |

  11. A proton moving withh a velocity 2.5xx10^(7)m//s enters a magnetic fie...

    Text Solution

    |

  12. A proton with velocity vecv enters a region of uniform magnetic induct...

    Text Solution

    |

  13. A proton of energy 2 MeV is moving perpendicular to uniform magnetic f...

    Text Solution

    |

  14. A proton, a deutron and an alpha particle, after being accelerated thr...

    Text Solution

    |

  15. A cyclotron in which protons are accelerated has a flux density of 1.5...

    Text Solution

    |

  16. A charged particle, having charge q(1) accelerated through a potential...

    Text Solution

    |

  17. A proton and an alpha-particle enter a uniform magnetic field moving w...

    Text Solution

    |

  18. A charged particule enters a magnetic field at right angles at the ...

    Text Solution

    |

  19. In the adjoining diagram, P and Q are parallel wires carrying currents...

    Text Solution

    |

  20. A particle having a charge of 10.0muC and mass 1mug moves in a circle ...

    Text Solution

    |