Home
Class 12
PHYSICS
A rectangular coil of size 10 cm xx 20 c...

A rectangular coil of size `10 cm xx 20` cm has 60 turns. It is rotating about one of its diagonals in magnetic field `0.5 Wb//m^(2)` with a rate of 1800 revolution per minute. The induced e.m.f. in the coil can be
(1) 111 V (2) 112 V (3) 113 V (4) 114 V

A

1, 2 and 3 are correct

B

1 and 2 are correct

C

2 and 4 are correct

D

1 and 3 are correct

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF MATTER AND RADIATION

    DISHA|Exercise Physics|30 Videos

  • ELECTROMAGNETIC WAVES

    DISHA|Exercise Physics|29 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 coil of area 80cm^(2) and number of turns 50 is rotating about an axis perpendicular to magneitc field of 0.05T at 200 rotations per minute. The maximum value of e.m.f. induced in it will be

The coil of area 0.1 m^(2) has 500 turns. After placing the coil in a magnetic field of strength 4 xx 10^(-4) Wb//m^(2) , if rotated through 90^(@) in 0.1 s, the average emf induced in the coil is

A coil of area 100 cm^(2) has 500 turns. Magnetic field of 0.1 "weber"//"metre"^(2) is perpendicular to the coil. The field is reduced to zero in 0.1 second. The induced e.m.f. in the coil is

A circular coil of radius 4 cm having 20 turns carries a current of 3A.It is a magnetic field of intensity 0.5 Wb//m^(2) .The magnetic dipole moment of the coil 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

A coil of effective area 2m^(2) is rotated so as to cut a magnetic field of induction 7xx10^(-5)Wb//m^(2) . If the coil makes 100 revolutions/s, then the maximum e.m.f. induced in the coil is

A coil of area 0.1m^(2) has 500 tums. After placing the coil in a magnetic field of strength 4xx10^(-4)Wb//m^(2) it is rotated through 90^(@) in 0.1 s. The average emf induced in the coil is

DISHA-ELECTROMAGNETIC INDUCTION-Physics
  1. The annular disc of copper, with inner radius a and outer radius b is ...

    Text Solution

    |

  2. A conducting wire in the shape of Y with each side of length l is movi...

    Text Solution

    |

  3. A rectangular coil of size 10 cm xx 20 cm has 60 turns. It is rotating...

    Text Solution

    |

  4. 2A closed coil of copper whose area is 1m xx 1m is free to rotate abou...

    Text Solution

    |

  5. 5.5 xx 10^(–4) magnetic flux lines are passing through a coil of resis...

    Text Solution

    |

  6. In Fig. shown, the rod has a resistance R, the horizontal rails have n...

    Text Solution

    |

  7. In Fig. shown, the rod has a resistance R, the horizontal rails have n...

    Text Solution

    |

  8. In Fig. shown, the rod has a resistance R, the horizontal rails have n...

    Text Solution

    |

  9. Statement-1 : The induced e.m.f. and current will be same in two ident...

    Text Solution

    |

  10. Statement-1 : An aircraft flies along the meridian, the potential at t...

    Text Solution

    |

  11. Asseration:Lenz's law violates the principle of conservation of energy...

    Text Solution

    |

  12. A current increase uniformly from zero to one ampere in 0.01 second , ...

    Text Solution

    |

  13. The current in a coil varies with respect to time t as I=3t^(2)+2t. If...

    Text Solution

    |

  14. Two circule coil can be arranged in any of the three situations shown ...

    Text Solution

    |

  15. A current of 10 A in primary of a circuit is reduced to zero at a unif...

    Text Solution

    |

  16. Three inductances are connected as shown below. Assuming no coupling,...

    Text Solution

    |

  17. A solenoid has an inductance of 50 mH and a resistance of 0.025 Omega....

    Text Solution

    |

  18. The current in the primary coil of a transformer (assuming no power lo...

    Text Solution

    |

  19. A current of 5A is flowing at 220V in the primary coil of a transforme...

    Text Solution

    |

  20. An inductor (L = 100 mH), a resistor (R = 100Omega) and a battery (E =...

    Text Solution

    |