Home
Class 12
PHYSICS
A wire of length 2l is bent at mid point...

A wire of length `2l` is bent at mid point so that the angle between two halves is `60^(@)`. If it moves as shown with a velocity `v` in a magnetic field `B` find the induced emf.

Text Solution

Verified by Experts

`e = Blv`. Here `l = "Effective length"= PQ`
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    NARAYNA|Exercise C.U.Q 1|51 Videos
  • ELECTRO MAGNETIC INDUCTION

    NARAYNA|Exercise Assertion & Reason|11 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 thin bar magnet of length 2L is bent at the mid point, so that the angle between them is 60^(@) .Find the new length of the magnet.

A glass rod of length l moves with velocity in a uniform magnetic field B. What is the e.m.f. induced in the rod ?

A conductor PQ , with PQ=r , moves with a velocity v in a uniform magnetic field of induced B . The emf induced in the rod is

What is the power required to move a conductor of length l having resistance r, with velocity v in a magnetic field B?

A magnet of magnetic moment M and length 2l is bent at its mid-point such that the angle of bending is 60^(0) . The new magnetic moment is.

The magnetic field inn a region is given by vec B = veck (B_0)/(L) y where L is a fixed length. A conducting rod of length L lies along the Y - axis between the origin and the point (0,L, 0). If the rod moves with a velocity v= v_0 veci, find the emf induced between the ends of the rod.

NARAYNA-ELECTRO MAGNETIC INDUCTION-Level-II (H.W)
  1. A wire of length 2l is bent at mid point so that the angle between two...

    Text Solution

    |

  2. A coil of 30 turns of wire each of 10 cm^(2) area is placed with its p...

    Text Solution

    |

  3. A square coil of side 0.5 m has movable sides. It si placed such that ...

    Text Solution

    |

  4. A uniform magnetic field existsin region given by vec(B) = 3 hat(i) + ...

    Text Solution

    |

  5. Two identical conducting rings A and B of radius R are rolling over a ...

    Text Solution

    |

  6. A flexible wire loop in the shape of a circle has a radius that grows ...

    Text Solution

    |

  7. A square loop PQRS of side 'a' and resistance 'r' is placed near an in...

    Text Solution

    |

  8. A rectangular loop with a sliding connector of length l = 1.0 m is sit...

    Text Solution

    |

  9. A straight rod of length l si rotating about axis passing through O is...

    Text Solution

    |

  10. A rod of length 10 cm made up of conducting and non-conducting materia...

    Text Solution

    |

  11. A triangular wire frame (each side =2m) is placed in a region of time ...

    Text Solution

    |

  12. A uniform magnetic field of induction B is confined to a cyclindrical ...

    Text Solution

    |

  13. The e.m.f. induced in a secondary coil is 20000 V when the current bre...

    Text Solution

    |

  14. A small square loop of wire of side l is placed inside a large square ...

    Text Solution

    |

  15. A straight solenoid of length 1 m has 5000 turns in the primary and 20...

    Text Solution

    |

  16. Two coaxial circular loops of radius 0.5 m and 5 xx 10^(-2)m are separ...

    Text Solution

    |

  17. The mutual inductance between the rectangular loop and the long straig...

    Text Solution

    |

  18. An infinite long straight conducting cylinderical shell of radius a is...

    Text Solution

    |

  19. A mu F capacitor is charged by a 400 V supply through 0.1 M Omega resi...

    Text Solution

    |

  20. A resistance with an inductor of 8 H has the same time constant as it ...

    Text Solution

    |

  21. The cell in the circuit shows in Fig is ideal. The coil has an inducta...

    Text Solution

    |