Home
Class 12
PHYSICS
A coil has 50 turns and its area is 500 ...

A coil has 50 turns and its area is `500 cm^(2)`. It is rotating at the rate of 50 r.p.s. at right angles to a magnetic field of `0.5 Wb//m^(2)`. Calculate the maximum value of electromotive force developed across the ends of the coil.

Text Solution

Verified by Experts

The correct Answer is:
392.5 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 closed coil consists of 500 turns has area 4 cm^2 and a resistance of 50 Omega . The coil is kept with its plane perpendicular to a uniform magnetic field of 0.2 Wb/m^2 . Calculate the amount charge flowing through the coil if it is rotated through 180^@

A coil has 1,000 turns and 500 cm^(2) as its area. The plane of the coil is placed at right angles to a magnetic induction field of 2 xx 10^(-5) web//m^(2) . The coil is rotated through 180^(@) in 0.2 second. The average emf induced in the coil, in milli volts, is :

Calculate the maximum emf induced in a coil of 100 turns and 0.01 m^(2) area rotating at the rate of 50 rps about an axis perpendicular to a uniform magnetic field of 0.05 T. If the resistance of the coil is 30 Omega , what is the maximum power generated by it ?

A coil of N turns and area A is rotated at the rate of n rotations per second in a magnetic field of intensity B, the magnitude of the maximum magnetic flux will be __

A coil of area 80 square cm and 50 turns is rotating with 2000 revolution per minut about an axis perpendicular to a magnetic field field of 0.05 Telsa. The maximum value of the e.m.f. developed in it is

A rectangular coil of length 1 cm and width 0.5, and 10 turns isroatated 50 revoltions per second . The magnetic field with in which the coil is rotated I s B = 0.5 T. calculate the peak value of the voltage generated acrosss the ends of the coil .

SL ARORA-ELECTROMAGNETIC INDUCTION-All Questions
  1. Shows a square loop having 100 turns, an area of 2.5 xx10^(-3) m^2 an...

    Text Solution

    |

  2. A rod closing the circuit shown in Fig moves along a U shaped wire at ...

    Text Solution

    |

  3. Fig. 12.32 shows a long, rectangular, conducting loop of with l, mass ...

    Text Solution

    |

  4. A coil has 50 turns and its area is 500 cm^(2). It is rotating at the ...

    Text Solution

    |

  5. Calculate the maximum emf induced in a coil of 100 turns and 0.01 m^(2...

    Text Solution

    |

  6. A magnetic flux of 8xx10^(-4) weber is linked with each turn of a 200 ...

    Text Solution

    |

  7. Calculate the induced emf in a coil of 10 H inductance in which the cu...

    Text Solution

    |

  8. Calculate the self- inductance of a coil when a change of current from...

    Text Solution

    |

  9. An average emf of 25 V is induced in an inductor when the current in i...

    Text Solution

    |

  10. A coil has a self inductance of 10 mH. What is the maximum magnitude o...

    Text Solution

    |

  11. An air-cored solenoid has 150 turns and cross-sectional area 2 cm^(2)....

    Text Solution

    |

  12. What is the self-inductance of an air core solenoid 1 m long, diameter...

    Text Solution

    |

  13. A coil of wire of a certain radius has 600 turns and a self-inductance...

    Text Solution

    |

  14. The current is a solenoid of 240 turns, having a length of 12 cm and ...

    Text Solution

    |

  15. Calculate the mutual inductance between two coils when the currents ch...

    Text Solution

    |

  16. A carspark coil developes an induced e.m.f. of 40000 V in the secondar...

    Text Solution

    |

  17. If the current in the primary circuit of a pair of coils changes from ...

    Text Solution

    |

  18. A conducting wire of 100 turns is wound over and near the centre of a ...

    Text Solution

    |

  19. A solenoid has 2000 turns wound over a length of 0.3 m. Its cross-sect...

    Text Solution

    |

  20. Find the mutual inductance between the two coils if a current of 10 am...

    Text Solution

    |