Home
Class 12
PHYSICS
Two coils of inductances L(1), and L(2) ...

Two coils of inductances `L_(1)`, and `L_(2)` are linked such that their mutual inductance is `M`

A

`M prop sqrt(L_(1)L_(2))`

B

`M prop sqrt(((L_(1))/(L_(2))))`

C

`M prop sqrt(((L_(2))/(L_(1))))`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
The coefficient of mutual induction is `Mprop sqrt(L_(1)L_(2))`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Example 2|28 Videos

  • ELECTROMAGNETIC INDUCTION

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Example 30|1 Videos

  • ELECTROMAGNETIC INDUCTION

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET CONER|34 Videos

  • ELASTICITY

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET CORNER|16 Videos

  • ELECTRONS AND PROTONS

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET CORNER|19 Videos

Similar Questions

Explore conceptually related problems

Two coils of self-inductance L_(1) and L_(2) are placed closed to each other so that total flux in one coil is completely linked with other. If M is mutual inductance between them, then

A circuit contains two inductors of self-inductance L_(1) and L_(2) in series (Fig) If M is the mutual inductence, then the effective inductance of the circuit shows will be

Two coils of self inductance L_1 and L_2 are placed near each other so that the total flux in one coil is partially linked with the other. Their mutual inductance (M) will be given by

The inductors of self inductance L_(1) and L_(2) are put in series .

In Fig. coil 1 and coil 2 are wound on a long cylindrical insulator. The ends A' and B are joined together and current I is passed. Self-inductance of the two coils are L_(1) and L_(2) , and their mutual inductance is M . a. Show that this combination can be replaced by a single coil of equivalent inductange given by L_(eq) = L_(1) + L_(2) + 2M . b. How could the coils be reconnected by yieldings an equivalent inductance of L_(eq) = L_(1) + L_(2) - 2M .

Derive an expression for the total magnetic energy stored in two coils with inductances L_(1) and L_(2) and mutual inductance M , when the currents in the coils are I_(1) and I_(2) , respectively.

L-R circuit and mutual inductance

Two coils of self inductance L_(1) and L_(2) are connected in parallel and then connected to a call of emf epsilon and internal resistance - R. Find the steady state current in the coils.

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ELECTROMAGNETIC INDUCTION-Example 1
  1. A coil of inductance 0.2 H and 1.0 W resistance is connected to a 90 V...

    Text Solution

    |

  2. In a current carrying long solenoid, the field produced does not depen...

    Text Solution

    |

  3. Two coils of inductances L(1), and L(2) are linked such that their mut...

    Text Solution

    |

  4. According to phenomenon of mutual inductance,

    Text Solution

    |

  5. Two coil are placed close to each other. The mutual inductance of the ...

    Text Solution

    |

  6. A coil is wound as a transformer of rectangular cross section. If all ...

    Text Solution

    |

  7. A coil of wire of a certain radius has 100 turns and a self inductance...

    Text Solution

    |

  8. Two inductors of inductance L each are connected in series with opposi...

    Text Solution

    |

  9. How much mutual inductance will be produced (in joule) if the change i...

    Text Solution

    |

  10. Two inductors each of inductance L are joined in parallel. Their equiv...

    Text Solution

    |

  11. The number of turns of primary and secondary coils of a transformer ar...

    Text Solution

    |

  12. A coil resistance R and inductance L is connected to a battery of emf ...

    Text Solution

    |

  13. The self inductance of a coil which produces 5V when the current chang...

    Text Solution

    |

  14. A long solenoid of length L, cross section A having N(1) turns has abo...

    Text Solution

    |

  15. An air-cored coil has a self-inductance of 0.1 H. A soft iron core of ...

    Text Solution

    |

  16. Two coils A and B have 200 and 400 turns respectively. A current of 1 ...

    Text Solution

    |

  17. In hertz's experiment, the rods connected with an induction coil behav...

    Text Solution

    |

  18. If number of turns in primary and secondary coils is increased to two ...

    Text Solution

    |

  19. The output power in step-up transformer used in practice is

    Text Solution

    |

  20. A transformer having efficiency of 90% is working on 200 V and 3 kW po...

    Text Solution

    |