Home
Class 12
PHYSICS
A square coil ACDE with its plane vertic...

A square coil `ACDE` with its plane vertically is released from rest in a horizontal uniform magnetic field `vec(B)` of length `2L` . The accelaration of the coilis

A

less than `'g'` for all the time till the loop crosses the magnetic field completely

B

less than `'g'` when it enters the field and greater than `'g'` when it comes out of the field

C

`'g'` all the time

D

less than `'g'` whe it enters and comes out of the field but equal to `'g'` when it is within the field

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    NARAYNA|Exercise Assertion & Reason|11 Videos
  • ELECTRO MAGNETIC INDUCTION

    NARAYNA|Exercise Level -I (C.W)|26 Videos
  • ELECTRO MAGNETIC INDUCTION

    NARAYNA|Exercise Level-II (H.W)|23 Videos
  • ELECTRIC CHARGES AND FIELDS

    NARAYNA|Exercise EXERCISE -4|43 Videos
  • ELECTRO MAGNETIC WAVES

    NARAYNA|Exercise LEVEL-II(H.W)|14 Videos

Similar Questions

Explore conceptually related problems

A metal rod of length l pivoted at is upper end. It is released from a horizontal position. There is a uniform magnetic field _|_ to its plane of rotation. When it becomes vertical, the p.d. across its ends is proportional to

A circular coil of 200 turns, radius 5cm carries a current of 2*5A . It is suspended vertically in a uniform horizontal magnetic field of 0*25T , with the plane of the coil making an angle of 60^@ with the field lines. Calculate the magnitude of the torque that must be applied on it to prevent it from turning.

A circular coil of 100turns radius 10cm, carries a current of 5A. It is suspended vertically in a uniform horizontal magnetic field of 0.5T and the field lines make an angle of 60^(@) with the plane of the coil. The magnitude of the torque that must be applied on it to prevent it from turning is

A rectangular coil is placed in a region having a uniform magnetic field B perpendicular to the plane of the coil. An emf will not be induced ion the coil if the

If plane of coil and uniform magnetic field B(4T0 is same then torque on the current carrying coil is

NARAYNA-ELECTRO MAGNETIC INDUCTION-C.U.Q 1
  1. Two circular, similar, coaxial loops carry equal currents in the same...

    Text Solution

    |

  2. A long conducting wire AH is moved over a conducting triangular wire C...

    Text Solution

    |

  3. A square coil ACDE with its plane vertically is released from rest in ...

    Text Solution

    |

  4. A conducting wire frame is placed in a magnetic field which is directe...

    Text Solution

    |

  5. A rectangular loop of wire with dimensions shown in figure is coplanar...

    Text Solution

    |

  6. The four wire loops shpwn figure have vertical edge lengths of either ...

    Text Solution

    |

  7. A rod lies acrossfrictionless rails in a uniform magnetic field vec(B)...

    Text Solution

    |

  8. An electron moves on a straight line path Y Y' as shown in figure. A c...

    Text Solution

    |

  9. In figure, there is conducting ring having resistance R placed in the...

    Text Solution

    |

  10. In the space shown a non-uniform magnetic field vec(B) = B(0)(1+x)(-ha...

    Text Solution

    |

  11. Two idential cycle wheels (geomettrically have different number of spo...

    Text Solution

    |

  12. AB and CD are fixed conducting smooth rails placed in a vertical palne...

    Text Solution

    |

  13. Three idential coils A,B and C carrying currents are placed coaxially ...

    Text Solution

    |

  14. Two idential conductors P and Q are placed on two frictionless rails R...

    Text Solution

    |

  15. An inductance stroes energy in the

    Text Solution

    |

  16. If 'N' is the number of turns in a coil, the value of self inductance ...

    Text Solution

    |

  17. A series combination of L and R is connected to a battery of emf E hav...

    Text Solution

    |

  18. Two coils of self-inductance L(1) and L(2) are placed closed to each o...

    Text Solution

    |

  19. The coefficient of self inductance and the coefficient of mutual induc...

    Text Solution

    |

  20. The mutual inductance between a pair of coils each of 'N' turns is 'M'...

    Text Solution

    |