Home
Class 12
PHYSICS
The coefficients of self induction of tw...

The coefficients of self induction of two inductance coil are 0.01 H and 0.03H respectively . When they are conneted in series so as to support each other, then the resultant self inductance becomes 0.06 Henry. The value of coefficient of mutual induction be __

A

5 mH

B

10 mH

C

20 mH

D

40 mH

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION - B) (OBJECTIVE TYPE QUESTIONS)|25 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION -C) Previous Years Questions|34 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|30 Videos

  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE ENGLISH|Exercise comprehension|3 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

Similar Questions

Explore conceptually related problems

The coefficient of self inductance and the coefficient of mutual inductance have

The coefficient of induction of a choke coil is 0.1 H and resistance is 12 Omega . If it is connected to an alternating current source of frequency 60 Hz , then power factor will be

Two inductors of inductance L each are connected in series with opposite magnetic fluxes. The resultant inductance is (Ignore mutual inductance)

Two pure inductors each of self-inductance L are connected in parallel but are well separted from each other. The total inductance is

When the number of turns in a coil is doubled without any change in the length of the coil, its self-inductance becomes

The coefficient of mutual induction between two circuits is equal to the, emf produced in one circuit when the current in the second circuit is

The self-inductances of two identical coils are 0.1H. They are wound over each other. Mutual inductance will be-

The coefficient of mutual inductance of the two coils is 0.5 H . If the current is increased from 2 to 3 A in 0.01 sec . In one of them, then the induced e.m.f. in the second coil is :

Inductance of a solenoid is 3H and it consist of 500 truns . If number of turn make twice , then the value of self inductance becomes :

Two electric circuits are placed near one another. Each circuit has self inductance Must there be a mutual inductance.

AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-ASSIGNMENT(SECTION - A) (OBJECTIVE TYPE QUESTIONS)
  1. A loop of irregular shape of conducting wire PORS (as shown in figure)...

    Text Solution

    |

  2. When a conducting wire XY is moved towards the right, a current flows ...

    Text Solution

    |

  3. A copper rod of length l is rotated about one end perpendicular to the...

    Text Solution

    |

  4. A coil of cross-sectional area A having n turns is placed in uniform m...

    Text Solution

    |

  5. A flat coil of 500 turns each of area 50 cm^(2) rotates in a uniform m...

    Text Solution

    |

  6. Eddy current are produce when

    Text Solution

    |

  7. A motor starter

    Text Solution

    |

  8. A simple electric motor has an armature resistance of 1Omega and runs ...

    Text Solution

    |

  9. Which of the following is possible application of an RC circuit?

    Text Solution

    |

  10. The current passing through a choke coil of 5 henry is decreasing at t...

    Text Solution

    |

  11. When the number of turns in a coil is doubled without any change in th...

    Text Solution

    |

  12. A coil of resistance 10 W and an inductance 5H is connected to a 10...

    Text Solution

    |

  13. (a) Obtain the expression for the magnetic energy stored in a solenoid...

    Text Solution

    |

  14. An inductor is connected to a direct voltage source through a switch. ...

    Text Solution

    |

  15. A long solenoid has self inductance. L. If its length is doubled keepi...

    Text Solution

    |

  16. If L and R denote inductance and resistance , respectively , then the ...

    Text Solution

    |

  17. A solenoid of 2000 turns is wound over a length of 0.3 m. The area aof...

    Text Solution

    |

  18. With the decrease of current in the primary coil from 2 amperes to zer...

    Text Solution

    |

  19. Two coaxial coils are very close to each other and their mutual induct...

    Text Solution

    |

  20. The coefficients of self induction of two inductance coil are 0.01 H a...

    Text Solution

    |