Home
Class 12
PHYSICS
Two coils are wound on the same iron ...

Two coils are wound on the same iron rod so that the flux generated by one passes through the other . The primary coil has N turns in it and when a current 2 A flows through it the flux in it is `2.5 xx10^(-4)` Wb . If the secondary coil has 12 turns the mutual inductance of te coils is ( assume the secondary coil is in open circuit )

A

`10xx10^(4)`H

B

`15xx10^(-4)`H

C

`20xx10^(-4)`H

D

`25xx10^(-4)` H

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT

    VMC MODULES ENGLISH|Exercise EFFICIENT|49 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

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

  • ELECTROSTATICS

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|89 Videos

Similar Questions

Explore conceptually related problems

If a change in current of 0.01 A in one coil produces change in magnetic flux of 1.2xx10^(-2)Wb in the other coil, then the mutual inductance of the two coils in henries

A small coil of N turns has area A and a current I flows through it. The magnetic dipole moment of this coil will be

Two toroidal solenoids are wound around the same pipe so that the magnetic field of one passes through the turns of the other. Solenoid 1 has 700 turns and solenoid 2 has 400 turns. When the current in solenoid 1 is 6.52 A , the average flux through each turn of solenoid 2 is 0.0320 Wb . (a) What is the mutual inductance of the pair of solenoids? (b) When the current in solenoid 2 is 2.54 A , what is the average flux through each solenoid 1?

A long solenoid has 1000 turns. When a current of 4A flows through it, the magnetic flux linked with each turn of the solenoid is 4xx10^(-3)Wb . The self-inductance of the solenoid is

A long solenoid has 1000 turns. When a current of 4A flows through it, the magnetic flux linked with each turn of the solenoid is 4xx10^(-3)Wb . The self-inductance of the solenoid is

A long solenoid has 1000 turns. When a current of 4A flows through it, the magnetic flux linked with each turn of the solenoid is 4xx10^(-3)Wb . The self-inductance of the solenoid is

When a current of 4 A through primary give rise to a flux of magnitude 1.35 Wb through secondary. What is the coefficient off mutual induction (M)?

The magnetic flux linked with a coil changes by 2 xx 10^(-2) Wb when the current changes by 0.01A. The self inductance of the coil is_______.

A long solenoid has 500 turns. When a current of 2A is passed through it, the resulting magnetic flux linked with each turn of the solenoid is 4xx10^(-3)Wb . The self-inductance of the solenoid is

Two coils X and Y are placed in a circuit such that when the current changes by 2 A in coil X. The magnetic flux changes by 0.4 Wb in Y. The value of mutual inductance of the coils is

VMC MODULES ENGLISH-ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT -IMPECCABLE
  1. In a step up transformer the turn ratio is 1 : 2. A Leclanche cell (e...

    Text Solution

    |

  2. The e.m.f. induced in a secondary coil is 20000 V when the current bre...

    Text Solution

    |

  3. Two coils are wound on the same iron rod so that the flux generat...

    Text Solution

    |

  4. A current of 5A is flowing at 220V in the primary coil of a transforme...

    Text Solution

    |

  5. A transformer has 1500 turns in the primary coil and 1125 turns in th...

    Text Solution

    |

  6. An electric generator is based on :

    Text Solution

    |

  7. The primary and secondary coils of a transforme have 50 and 1500 turns...

    Text Solution

    |

  8. In any AC circuit the emf (e) and the current (i) at any instant are g...

    Text Solution

    |

  9. Alternating current can not be measured by dc ammeter because :

    Text Solution

    |

  10. In step-up transfomer, the relation between number of turns in primary...

    Text Solution

    |

  11. The oscillating electric and magnetic field vectors of electromagnetic...

    Text Solution

    |

  12. Alternating current is transmitted to take place

    Text Solution

    |

  13. An AC ammeter is used to measure current is a circuit . When a given d...

    Text Solution

    |

  14. An AC source is 120 V-60 Hz. The value of voltage after 1/720 s from...

    Text Solution

    |

  15. Two solenoids of equal number of turns have their lengths and the radi...

    Text Solution

    |

  16. An electric motor turns on DC source of emf 200 V and drawn a current ...

    Text Solution

    |

  17. In an circuit, V and I are given by V=150sin(150t) V and I =150sin(150...

    Text Solution

    |

  18. In an electrical circuit, R, L, C and ac voltage source are all connec...

    Text Solution

    |

  19. The instantaneous values of alternating current and voltages in a circ...

    Text Solution

    |

  20. A coil of self-inductance L is connected in series with a bulb B and a...

    Text Solution

    |