Home
Class 12
PHYSICS
Two identical coaxial circular coils are...

Two identical coaxial circular coils are carrying current .i. each in the same direction. If the coils approach each other, then

A

The current in each increases

B

The current in one increases and current in the other decrease

C

The current in each decreases

D

The current in each remains same

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-IB|18 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-II|32 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise Additional Exercise|10 Videos

  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|32 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|20 Videos

Similar Questions

Explore conceptually related problems

Draw the magnetic fields formed due to Circular coil carrying current.

If B is the magnetic field produced at the centre of a circular coil of one turn of length L carrying current I the what is the magnetic field at the centre of the same coil which is made into 10 turns ?

Two circular coils are made of two identical wires of the same length. If the number of turns in the two coils are 4 and 2, then the ratio of magnetic inductions at the centre will be

AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-IA
  1. A wire loop is rotated in a magnetic field. The frequency of change of...

    Text Solution

    |

  2. A coil is rotated in a uniform magnetic field about an axis perpendicu...

    Text Solution

    |

  3. The north of a bar magnet is moved towards a coil along the axis passi...

    Text Solution

    |

  4. Two identical coaxial circular coils are carrying current .i. each in ...

    Text Solution

    |

  5. In an experiment, a magnet with its magnetic moment along the axis of ...

    Text Solution

    |

  6. The self inductance L of a slenoid of length l and area of cross-secti...

    Text Solution

    |

  7. A vertical rod of length l is moved with constant velocity v towards e...

    Text Solution

    |

  8. If the number of turns per unit length of a coil of a solenoid is trip...

    Text Solution

    |

  9. A solenoid is connected to a battery so that a steady current flows th...

    Text Solution

    |

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

    Text Solution

    |

  11. Two coils are placed close to each other. The mutual inductance of the...

    Text Solution

    |

  12. When the plane of the armature of an ac. generator is parallel to the ...

    Text Solution

    |

  13. A coil of self-inductance L is placed in an external magnetic field (n...

    Text Solution

    |

  14. The magnetic energy stored in a long solenoid of area of cross-section...

    Text Solution

    |

  15. In an L-R circuit connected to a battery of constant emf E, switch is ...

    Text Solution

    |

  16. Two identical capacitors A and B are charged to the same potential and...

    Text Solution

    |

  17. The induced emf in a L-R circuit is maximum:

    Text Solution

    |

  18. Self inductance coefficient of a system can be increased by increasi...

    Text Solution

    |

  19. A) It is possible to have mutual inductance without self-inductance ...

    Text Solution

    |

  20. Consider the following statements A) If time constant is small the c...

    Text Solution

    |