Home
Class 12
PHYSICS
At a plane the value of horizontal compo...

At a plane the value of horizontal component of the eart's magnetic field `H` is `3xx10^(-5)weber//m^(2)`. A metallic rod `AB` of length `2m` placed in east-west direction, having the end `A` towards east, falls vertically downward with a constant velocity of `50 m//s`. which end of the rod becomes positively charged and what is the value of induced potential difference between the two ends?

A

End A, `3 xx 10^(-3) mV`

B

End, A, `3mV`

C

End B, `3 xx 10^(-3) mV`

D

End B, `3 mV`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise OT|3 Videos

  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise Motional EMI|1 Videos

  • CURRENT ELECTRICITY

    ERRORLESS |Exercise Self Evaluation Test -19|23 Videos

  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Self Evaluation Test|3 Videos

Similar Questions

Explore conceptually related problems

The horizontal component of the earth's magnetic field at a place is 4.0xx10^(-4) T and the dip is 45^(@) . A metal rod of length 20 cm is placed in the north-south direction and is moved at a constant speed of 5 cm/s towards east. Calculate the emf induced in the rod.

The horizontal component of the earth's magnetic field at a place is 3xx10^(-4)T and the dip is tan^(-1)((4)/(3)) . A metal rod of length 0.25m placed in the north -south position and is moved at a constant speed of 10cm//s towards the east. The emf induced in the rod will be

The horizontal component of the earth's magnetic field at a place is 3.0 X 10^(-4) T and the dip is 53^@ . A metal rod of length 25cm is placed in the north - south direction and is moved at a constant speed of 10cm s^(-1) towards east. Calculate the emf induced in the rod.

The horizontal component of earth's magnetic field is 3xx10^(-5) Wb//m^2 . The magnetic flux linked with a coil of area 1m^2 and having 5 turns, whose plane is normal to the magnetic field, will be

The horizontal component of the earth's magnetic field at any place is 0.36 xx 10^(-4) Wb m^(-2) If the angle of dip at that place is 60 ^@ then the value of the vertical component of earth's magnetic field will be ( in Wb m^(-2))

A long horizontal metallic rod with length along the east-west direction is falling under gravity. The potential difference between its two ends will

A metal rod of length 2 m is rotating with an angular velocity of 100 rad//sec in a plane perpendicular to a uniform magnetic field of 0.3 T . The potential difference between the ends of the rod is

A conducing rod of length l is falling with a velocity v perpendicular to a unifrorm horizontal magnetic field B . The potential difference between its two ends will be

ERRORLESS -ELECTRO MAGNETIC INDUCTION-SET
  1. At a plane the value of horizontal component of the eart's magnetic fi...

    Text Solution

    |

  2. The figure shows four wire loops, with edge length of either L or 2L. ...

    Text Solution

    |

  3. A circular coil and a bar magnet placed nearby are made to move in the...

    Text Solution

    |

  4. A square coil ABCD lying in x-y plane with its centre at origin. A lon...

    Text Solution

    |

  5. A short magnet is allowed to fall from rest along the axis of a horizo...

    Text Solution

    |

  6. The horizontal component of the earth's magnetic field at a place is 3...

    Text Solution

    |

  7. A copper disc of radius 0.1 m rotates about its centre with 10 revolut...

    Text Solution

    |

  8. A coil of Cu wire (radius r, self-inductance L) is bent in two concen...

    Text Solution

    |

  9. In which of the following circuits is the current maximum just after t...

    Text Solution

    |

  10. A small coil is introduced between the poles of an electromagnet so th...

    Text Solution

    |

  11. Two circular coils A and B are facing each other as shown in figure. T...

    Text Solution

    |

  12. A conductuing loop having a capacitor is moving outward from the magne...

    Text Solution

    |

  13. A straight wire of length L is bent into a semicircle. It is moved in ...

    Text Solution

    |

  14. If in a coil rate of change of area is (5meter^(2))/(milli second)and ...

    Text Solution

    |

  15. In series with 20 ohm resitor a 5 henry inductor is placed. To the com...

    Text Solution

    |

  16. Two circular coils P & Q are coaxially & carry currents I1 and I2 resp...

    Text Solution

    |

  17. The phase difference between the flux linkage and the induced e.m.f. i...

    Text Solution

    |

  18. A pair of parallel conducting rails lie at right angle to a uniform ma...

    Text Solution

    |

  19. The magnetic field in the cylindrical region shown in figure increase ...

    Text Solution

    |

  20. An aircraft with a wingspan of 40 m flies a speed of 1080 km hr(1) in ...

    Text Solution

    |

  21. A hundred turns of insulated copper wire are wrapped around an iron cy...

    Text Solution

    |