Home
Class 12
PHYSICS
The inductance of a coil is proportional...

The inductance of a coil is proportional to

A

its length

B

the number of turns

C

the resistance of the coil

D

the square of the number of turns

Text Solution

Verified by Experts

The correct Answer is:
D
NA
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    CP SINGH|Exercise EXERCISES|141 Videos

  • CURRENT ELECTRICITY

    CP SINGH|Exercise Exercise|137 Videos

  • ELECTROMAGNETIC WAVES

    CP SINGH|Exercise EXERCISES|21 Videos

Similar Questions

Explore conceptually related problems

The inductance of a coil depends on

A small coil of radius r is placed at the center of a large coil of radius R, where R>>r. The two coils are coplanar. The mutual inductance between the coils is proportional to

A small coil of radius r is placed at the centre of a large coil of radius R , where R gtgt r . The two coils are coplanar. The mutual inductance between the coils is proportional to

A coil of length L, carries a current i. The magnetic moment of coil is proportional to

The self inductance of a coil is L . Keeping the length and area same, the number of turns in the coil is increased to four times. The self inductance of the coil will now be

Self inductance of a coil is independent of

The self inductance of a coil is a measure of

The inductance of a coil is 0.25 H. Calculate its inductive reactance in a.c. frequency 50 Hz.

CP SINGH-ELECTROMAGNETIC INDUCTION-EXERCISES
  1. Three indential rings move with same speed on a horizontal magnetic fi...

    Text Solution

    |

  2. A uniform but time-varying magnetic field B(t) exists in a circular re...

    Text Solution

    |

  3. The inductance of a coil is proportional to

    Text Solution

    |

  4. When the number of turns and the length of the solenoid are doubled ke...

    Text Solution

    |

  5. A long solenoid has 500 turns. When a current of 2A is passed through ...

    Text Solution

    |

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

    Text Solution

    |

  7. A long solenoid of N turns has a self-induced L and area of cross-sect...

    Text Solution

    |

  8. The SI unit of inductance, the henry can be written as

    Text Solution

    |

  9. Pure inductance of 3.0 H is connected as shown below. The equivalent i...

    Text Solution

    |

  10. The equivalent inductance of two inductors is 2.4 H when connected in ...

    Text Solution

    |

  11. When the current in a coil changes from 8A to 2A in 3xx10^(-2)s , th e...

    Text Solution

    |

  12. A current of 2A flowing through a coil of 100 truns give rise to a nag...

    Text Solution

    |

  13. L,C and R represent the physical quantities inductance, capacitance an...

    Text Solution

    |

  14. If I=5A and decreasing at a rate of 10^(2)(A//sec) , then V(B)-V(A)

    Text Solution

    |

  15. In the previous question, if the direction of I is reversed, V(B)-V(A)...

    Text Solution

    |

  16. An alternating current I in an inductance coil varies with time t acco...

    Text Solution

    |

  17. The current i in a coil varies with time as shown in the figure. The v...

    Text Solution

    |

  18. The time constant of an inductance coil is 2 xx 10^(-3) s. When a 90 O...

    Text Solution

    |

  19. A uniformly wound solenoid coil of self inductance 1.8xx10^(-4)H and r...

    Text Solution

    |

  20. An inductor coil stores 32 J of magnetic field energy and dissiopates ...

    Text Solution

    |