Home
Class 12
PHYSICS
A magnetic flux of 500 microweber passin...

A magnetic flux of 500 microweber passing through a 200 turn coil is reversed in `20xx10^(-3)s`. The average induced emf in the coil (in volt) is

A

2.5

B

`5.0`

C

`7.5`

D

`10.0`

Text Solution

Verified by Experts

The correct Answer is:
D

`e=N(dphi)/(dt)`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EXERCISE-2 (C.W)|22 Videos
  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EXERCISE-2 (H.W)|16 Videos
  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EXERCISE-1 (C.W)|58 Videos
  • ELECTRO MAGNETIC WAVES

    NARAYNA|Exercise LEVEL-II(H.W)|14 Videos
  • ELECTROMAGNETIC WAVES

    NARAYNA|Exercise EXERCISE -4|15 Videos

Similar Questions

Explore conceptually related problems

A magnetic flux of 500 micro-webers passing through a 200 turns coil is reversed in 20 xx 10^(-3) seconds. The average emf induced in the coil in volts, is

A rectangular coil of 200 turns and area 100 cm^(2) is kept perpendicular to a uniform magnetic field of induction 0.25 tesla. If the field is reversed in direction in 0.01 second, the average induced emf in the coil is

The magnetic flux associated with a coil changes from zero to 5xx10^(-5)Wb in 25s. The emf induced in the coil is

Magnetic flux of 5 microweber is linked with a coil when a current of 1 mA flows through it. What is self inductance of the coil ?

Magnetic flux of 10 microweber is linked with a coil. When current of 2.5mA flows through it, the slef inductance of the coil is

The magnetic flux through each turn of a 100 turn coil is (t ^(3)– 2t) xx 10^(-3 ) Wb, where t is in second. The induced emf at t = 2 s is

A coil of area 10 cm^2 has 200 turns. Magnetic field of 0.1 Wb//m^2 is perpendicular to the plane of the coil. The field is reduced to zero in 0.1 s, the induced emf in the coil is

The 5xx10^(-4) magnetic flux lines are passing through a coil of 100 turns. If the emf induced through the coil is 5mV, the time interval will be

The magnetic flux through a 50-turn coil increase at the rate of 0.05 Wb/s. What is the induced emf between the ends of the coil ?

NARAYNA-ELECTROMAGNETIC INDUCTION-EXERCISE-1 (H.W)
  1. A closed coil with a resistance 2R is placed in a magnetic field. The...

    Text Solution

    |

  2. A coil of area 10cm^2 and 10 turns is in magnetic field directed perpe...

    Text Solution

    |

  3. A magnetic flux of 500 microweber passing through a 200 turn coil is r...

    Text Solution

    |

  4. A rectangular coil of 200 turns and area 100 cm^(2) is kept perpendicu...

    Text Solution

    |

  5. A coil having an area 2m^(2) is placed in a magnetic field which chang...

    Text Solution

    |

  6. A flip coil consits of N turns of circular coils which lie in a unifo...

    Text Solution

    |

  7. A conductor AB of length l moves in x y plane with velocity vec(v) = v...

    Text Solution

    |

  8. To measure the field 'B' between the poles of an electronmagnet, a sma...

    Text Solution

    |

  9. A thin circular ring of area A is perpendicular to uniform magnetic fi...

    Text Solution

    |

  10. A short-circuited coil is placed in a time-varying magnetic field. Ele...

    Text Solution

    |

  11. A train is moving towards north with a speed of 25 m/s. if the vertic...

    Text Solution

    |

  12. A conducting square loop of side L and resistance R moves in its to on...

    Text Solution

    |

  13. A metal rod moves at a constant velocity in a direction perpendicular ...

    Text Solution

    |

  14. A thin flexible wire of length L is connected to two adjacent fixed po...

    Text Solution

    |

  15. A coil has an inductance of 0.05 H and 100 turns and 0.02 A current i...

    Text Solution

    |

  16. A current of 2A is increasing at a rate of 4A//s through a coil of ind...

    Text Solution

    |

  17. The current decays from 5A to 2A in 0.01 s in a coil. The emf induced ...

    Text Solution

    |

  18. A varying current in a coil change from 10A to 0A in 0.5 sec. If the a...

    Text Solution

    |

  19. An air cored solenoid is of length 0.3 m, area of cross section 1.2 xx...

    Text Solution

    |

  20. A solenoid of length 50 cm with 20 turns per cm and area of cross sect...

    Text Solution

    |