Home
Class 12
PHYSICS
The flux linked with a coil at any insta...

The flux linked with a coil at any instant 't' is given by `phi = 10t^(2) - 50t +250`
The induced emf at `t = 3s` is

A

10 V

B

190 V

C

`-190 V`

D

`-10 V`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 45

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 47

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

The magnetic flux linked with a coil at any instant 't' is given by phi - 5t - 100 t+300 , the e.m.f. induced in the coil at t = 2 second is

The magnetic flux linked with a coil is given by an equation phi = 5 t ^(2) + 2t + 3. The induced e.m.f. in the coil at the third second will be

The magnetic flux linked with the coil (in Weber) is given by theequation phi = 5t^(2) + 3t + 16 The induced EMF in the coil at time, t=4 will be-

The magnetic flux linked with a coil varies with time as phi=3t^(2)+4t+9 webers. The induced emf at t=2s is

The magnetic flux linked with coil, in weber is given by the equation, phi = 5t^(2)+3t+16 . The induced emf in the coil in the fourth second is

The magnetic flux linked with a coil (in Wb) is given by the equation phi = 5t^2 + 3t +16 . The magnetic of induced emf in the coil at fourth second will be

The magnetic flux linked with a coil is given by an equation phi (in webers ) = 8t^(2)+3t+5 . The induced e.m.f. in the coil at the fourth second will be

NTA MOCK TESTS-NTA NEET SET 46-PHYSICS
  1. Equivalent resistance between points A & B in the given circuit is

    Text Solution

    |

  2. In an experiment to measure the internal resistance of a cell by poten...

    Text Solution

    |

  3. The flux linked with a coil at any instant 't' is given by phi = 10t^(...

    Text Solution

    |

  4. An electron moves along the line AB with constant velocity V which lie...

    Text Solution

    |

  5. Eight charges each of value q are placed on a ring of radius R placed ...

    Text Solution

    |

  6. A condenser of capacitance 10 muF has been charged to 100V. It is now ...

    Text Solution

    |

  7. If magnetic field is along +z- axis and a potential difference is appl...

    Text Solution

    |

  8. A uniform magnetic field exist in a region which forms an equilateral ...

    Text Solution

    |

  9. A star which appears blue will be

    Text Solution

    |

  10. The P - V diagram of a system undergoing thermodynamic transformation ...

    Text Solution

    |

  11. The ratio of work done by an ideal diatomic gas to the heat supplied b...

    Text Solution

    |

  12. During the melting of a slab of ice at 273K at atmospheric pressure,

    Text Solution

    |

  13. The reading of brass scale at room temperature is L1 . Above room temp...

    Text Solution

    |

  14. Thermometer A and B have ice points marked at 15^@ and 25^@ and steam ...

    Text Solution

    |

  15. The speed of a wave in a streched string is 20ms^(-1) and its frequenc...

    Text Solution

    |

  16. A particle moves along a straight line path. After some time it comes ...

    Text Solution

    |

  17. Ratio of minimum kinetic energies of two projectiles of same mass is 4...

    Text Solution

    |

  18. Two blocks 'A' and 'B' each of mass 'm' are placed on a smooth horizon...

    Text Solution

    |

  19. A particle of mass 1 g moving with a velocity vecv1=3hati-2hatj m s^(-...

    Text Solution

    |

  20. From a uniform circular plate of radius R, a small circular plate of r...

    Text Solution

    |