Home
Class 12
PHYSICS
When the number of turns in a coil is do...

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

A

Half

B

Double

C

Four times

D

Eight times

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise ASSIGNMENT(SECTION - B) (OBJECTIVE TYPE QUESTIONS)|11 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise ASSIGNMENT(SECTION -C) Previous Years Questions|23 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise EXERCISE|17 Videos

  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE|Exercise SECTION -J(Aakash Challengers Questions)|5 Videos

  • ELECTROMAGNETIC WAVES

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

Similar Questions

Explore conceptually related problems

If number of turns in a coil is quadrupled, then self-inductance will be:

When the number of turns in the two circular coils closely wound are doubled (in both) their mutual inductance becomes

Assertion : When number of turns in a coil is doubled, coefficient of self-inductance of the coil becomes 4 times. Reason : This is because L prop N^(2)

When the number of turns in a toroidal coil is doubled, then the value of magnetic flux density will becomes-

A coil is wound on a frame of rectangular cross - section. If all the linear dimensions of the frame are increased by a factor x and the number of turns per unit length of the coil remains the same, self - inductance of the coil increases by a factor of

If both the number of turns and core length of an inductor is doubled keeping other factorsconstant, then its self-inductance will be

AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-ASSIGNMENT(SECTION - A) (OBJECTIVE TYPE QUESTIONS)
  1. A metallic ring with a small cut is held horizontally and a magnet is ...

    Text Solution

    |

  2. A loop of Irregular shape made of flexible conducting wire carrying cl...

    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 currents are produced 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 self inductance 5 H is dec...

    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 10Omega and an inductance 5H is connected to a 10...

    Text Solution

    |

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

    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 dim...

    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

    |