Home
Class 12
PHYSICS
A closely wound rectangular coil of 200 ...

A closely wound rectangular coil of 200 turns and size `0.3mxx0.1m` is rotating in a magnetic field of induction `0.005 Wbm^(-2)` with a frequency of revolution 1800 rpm about an axis normal to the field. Calculate the maximum value of induced emf.

Text Solution

Verified by Experts

The correct Answer is:
5.65 V
Promotional Banner

Topper's Solved these Questions

  • ELECTRICAL INSTRUMENTS

    SL ARORA|Exercise Problem for self practice|81 Videos
  • ELECTROMAGNETIC WAVES

    SL ARORA|Exercise Problem for self-practice|21 Videos

Similar Questions

Explore conceptually related problems

A rectangular coil 20 cm xx 10 cm having 500 turns rotates in a magnetic field of 5 xx 10^(-3) T with a frequency of 1200 rev min^(-1) about an axis perpendicular to the field.

A closely wound rectangular coil of 200 turns and size 0.30 xx 0.05 m is placed perpedicular to a megnetic field of induction 0.20 Wb m^(-2) Calculate the induced e.m.f. in the coil, when megnetic induction drop to 0.5 Wb m^(-2) in 0.02 s.

A rectangular coil of 100 turns and size 0.1mxx0.05m is placed perpendicular to a magnetic field of 0.1 T. If the field drops to 0.05 T in 0.05 s, the magnitude of the emf induced in the coil 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 length of each side of a square coil of 10 turns is 10 cm. This coil rotates in a magnetic field of induction 0.02 Tesla. If the maximum induced e.m.f. in the coil is 20 mV, then the angular velocity of the coil will be

A Rectangular coil of 10 turns, each of area 0.05 m^(2) , is suspended freely in a uniform magnetic field of induction 0.01 T. A current of 30 µA is passed through it. (i) What is the magnetic moment of the coil (ii) What is the maximum torque experienced by the coil?

SL ARORA-ELECTROMAGNETIC INDUCTION-All Questions
  1. A closely wound rectangular coil of 200 turns and size 0.3mxx0.1m is r...

    Text Solution

    |

  2. A rectangular loop of area 20 cm xx 30 cm is held in a magnetic field ...

    Text Solution

    |

  3. A coil of 100 turns is pulled in 0.04 s from between the poles of a m...

    Text Solution

    |

  4. The mangnetic flux passsing perpendicular to the plane of a coil and d...

    Text Solution

    |

  5. A coil of area 500cm^(2) and having 1000 turns is held perpendicular t...

    Text Solution

    |

  6. A coil with an average diameter of 0.02 m is placed perpendicular to a...

    Text Solution

    |

  7. A wire 88 cm long bent into a circular loop is placed perpendicular to...

    Text Solution

    |

  8. A magnetic field of flux density 10 T acts normal to a cail of 50 turn...

    Text Solution

    |

  9. 5.5 xx 10^(–4) Magnetic flux lines are passing through a coil of resis...

    Text Solution

    |

  10. A coil of area A lies in a uniform magnetic field B with its plane per...

    Text Solution

    |

  11. A long solenoid of 10 turns / cm has a small loop of area 1 sq. cm pl...

    Text Solution

    |

  12. An air cored solenoid with length 30 cm, area of cross-section 25 cm^(...

    Text Solution

    |

  13. A copper rod of length L rotates with an angular with an angular speed...

    Text Solution

    |

  14. A metal disc of radius R rotates with an angular velcoity omega about ...

    Text Solution

    |

  15. A wheel with ten metallic spokes each 0.50 m long is rotated with a sp...

    Text Solution

    |

  16. When a wheel with metal spokes 1.2 m long rotates in a magnetic field ...

    Text Solution

    |

  17. A metallic rod of 1 m length is rotated with a frequency of 50 rev//s,...

    Text Solution

    |

  18. A circular copper disc of 10 cm radius rotates at 20 pi radian//sec ab...

    Text Solution

    |

  19. Prove that the charge induced does not depend on the rate of change of...

    Text Solution

    |

  20. It is desired to measure the magnitude of field between the poles of a...

    Text Solution

    |

  21. A 10 ohm resistance coil has 1000 turns and at a time, magnetic flux 5...

    Text Solution

    |