Home
Class 12
PHYSICS
A magnetic flux associated with a coil c...

A magnetic flux associated with a coil changes by `5xx10^-2` Wb in 25 second. Find the emf induced in the coil.

Promotional Banner

Topper's Solved these Questions

  • Electromagnetic Induction

    CHETANA PUBLICATION|Exercise EXERCISE|109 Videos
  • Dual Nature of Radiation and Matter

    CHETANA PUBLICATION|Exercise EXERCISE|89 Videos
  • Electrostatics

    CHETANA PUBLICATION|Exercise Exercise|73 Videos

Similar Questions

Explore conceptually related problems

The magnetic flux associated with a coil changes by 32 xx 10^-2 Wb in 20 second. Find e.m.f induced in it.

The magnetic flux associated with the coil changes by 16xx10^-2 Wb in 10 seconds. Find the e.m.f. induced.

Find the change in magnetic flux associated with the coil in 15 seconds, if the induced e.m.f. in the coil is 2 xx 10^-3V .

The magnetic flux linked with a coil changes from 12xx10^-3 Wb to 6xx10^-3 Wb in 0.01 second. Calculate the induced emf.

To induce an e.m.f. in the coil

A coil having an area 2m^2 is placed in a magnetic field which changes from 1wb//m^2 to 4wb//m^2 in an interval of 2 second. The e.m.f. induced in the coil will be

Whenever the magnetic flux linked with a coil changes,then an induced e.m.f. is produced in the circuit. This e. m. f. lasts

When is magnetic flux linked with the coil is maximum ?

When is magnetic flux linked with the coil is minimum?

A circular coil of radius 8.0 cm and 20 turns is rotated about its vertical diameter with an angular speed of 50 rad s^-1 in a uniform horizontal magnetic field of magnitude 3.0 xx 10^-2 T. Obtain the maximum and average emf induced in the coil. If the coil forms a closed loop of resistance 10 ohm, calculate the maximum value of current in the coil Calculate the average power lose due to the Joule heating .Where does this power come from ?

CHETANA PUBLICATION-Electromagnetic Induction-EXERCISE
  1. A magnetic flux associated with a coil changes by 5xx10^-2 Wb in 25 se...

    Text Solution

    |

  2. The current in one coil increasesfrom0 to 500 mA in 0.1 ms. The induce...

    Text Solution

    |

  3. An emf of 100 mV is induced in a conductor of length 1.2m when it move...

    Text Solution

    |

  4. The current increases at the rate of 10A s^-1 in the coil of inductan...

    Text Solution

    |

  5. The current in a coil changes from zero to 5A in 0.2 seconds, due to w...

    Text Solution

    |

  6. The mutual inductance between the two coils is 2 xx 10^-2H.Due to the ...

    Text Solution

    |

  7. A step down transformer, connected to mains supply 240V is made to ope...

    Text Solution

    |

  8. The primary winding of a transformer has 300 turns and its secondary w...

    Text Solution

    |

  9. A coil of effective area 10m^2 is placed at right angles to a magnetic...

    Text Solution

    |

  10. The current increases at the rate of 10A s^-1 in the coil of inductan...

    Text Solution

    |

  11. A coil of effective area 4m^2 is placed at right angles to a magnetic ...

    Text Solution

    |

  12. A rectangular coil (0.5 m xx 0.4m) has a resistance of 5Omega . The co...

    Text Solution

    |

  13. A rectangular coil (0.5 m xx 0.4m) has a resistance of 5Omega . The co...

    Text Solution

    |

  14. A coil of area 0.75 m^2 and 1000 turns is kept perpendicular to a magn...

    Text Solution

    |

  15. Find the self-inductance of a circuit in which an e.m.f. of 10V is ind...

    Text Solution

    |

  16. The mutual inductance of a pair of coils is 0.75H. If the current in t...

    Text Solution

    |

  17. A step down transformer has 800 turns in the primary. The supply volta...

    Text Solution

    |

  18. A coil of effective area 2m^2 is placed at right angles to a magnetic ...

    Text Solution

    |

  19. The back e.m.f. induced in an inductive coil is 100 V when the current...

    Text Solution

    |

  20. The coefficient of mutual inductance between a pair of coils is 5mH. F...

    Text Solution

    |