Home
Class 12
PHYSICS
A uniform insulating rod of length L mov...

A uniform insulating rod of length `L` moves with a velocity `bar(upsilon)` in a magnetic field B where `bar(upsilon)` is perpendicular to both L and B. Then the induced EMF at the ends of the rod is given by

A

BL `upsilon`

B

2BL `upsilon`

C

BL

D

`B^(2) L upsilon`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER 10

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos
  • MODEL TEST PAPER 4

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

Similar Questions

Explore conceptually related problems

A particle of charge e and mass m moves with a velocity v in a magnetic field B applied perpendicular to the motion of the particle .The radius r of its path in the field is

A straight horizontal rod of mass 30 grams and length 0.3m is placed in a uniform horizontal magnetic field of strength 0.2 T perpendicular to the rod. Calculate the current through the rod, if the force on it just balances its weight. g=9.8ms^(-2).

A straight line conductor of length 0.4 m is moved with a speed of 7 m//s perpendicular to a magnetic field of intensity 0.9 Wb//m^2 . The induced e.m.f. across the conductor is

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 3-(PHYSICS)
  1. A source frequency f gives t beats when sounded with a frequency 200Hz...

    Text Solution

    |

  2. In a parallel arrangement if (R1 gt R2), then the power dissipated in ...

    Text Solution

    |

  3. A uniform insulating rod of length L moves with a velocity bar(upsilon...

    Text Solution

    |

  4. Energy required to store a current line an inductor L is

    Text Solution

    |

  5. In a LCR circuit having L=8.0 henry, C=0.5 mu F and R=100 ohm in serie...

    Text Solution

    |

  6. L, C and R represent the physical quantities inductance, capacitance a...

    Text Solution

    |

  7. The number of turns in the primary and secondary turns of a transforme...

    Text Solution

    |

  8. The photoelectric threshold frequency for potassium is 3 xx 10^(14) Hz...

    Text Solution

    |

  9. Which of the following are not electromagnetic waves ?

    Text Solution

    |

  10. A transistor is used as

    Text Solution

    |

  11. Half-life of a radioactive sample is 200 days. Its decay constant is

    Text Solution

    |

  12. P-type semi-conductor is

    Text Solution

    |

  13. Which one of the following is true?

    Text Solution

    |

  14. In young's double slit experiment, if the distance between the slits i...

    Text Solution

    |

  15. The total magnification produced by a compound microscope is 20. The m...

    Text Solution

    |

  16. If C is the critical angle for a medium and mu is its refractive inde...

    Text Solution

    |

  17. Which of the following relation hold good for refraction between a pa...

    Text Solution

    |

  18. A galvanometer of resistance 25 Omega gives full scale deflection for ...

    Text Solution

    |

  19. A moving charge produces

    Text Solution

    |

  20. Two free paralell wires carrying currents in opposite direction

    Text Solution

    |