Home
Class 12
PHYSICS
A circular coil opf 500 turns of wire ha...

A circular coil opf `500` turns of wire has an enclosed area of `0.1 m^(2)` per turn. It is kept perpendicular to a magnetic field of induction `0.2 T` and rotated by `180^(@)` about a diameter perpendicular to the field in `0.1` sec. how much charge will pass when the coil is connected to a gavanometer with a combined resistance of `50 ohms`

A

`0.2 C`

B

`0.4 C`

C

`2 C`

D

`4 C`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise OT|3 Videos
  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise Motional EMI|1 Videos
  • CURRENT ELECTRICITY

    ERRORLESS |Exercise Self Evaluation Test -19|23 Videos
  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Self Evaluation Test|3 Videos

Similar Questions

Explore conceptually related problems

A coil of area 500 cm^(2) having 1000 turns is put perpendicular to a magnetic field of intensity 4xx10^(-5) T. if it is rotated by 180^(@) in 0.1 s, the induced emf produced is

A rectangular coil of 50 turns, each of area 0.1 m^(2) and carrying a current of 1 A is held perpendicular to a magnetic field of 0.1 T. What is the torque acting on the coil?

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

A circular coil of 1 turn and area 0.01m^(2) carries a current of 10A . It is placed in a uniform magnetic field of induction 0.1 tesla such that the plane of the circle is perpendicular to the direction of the field, the torque acting on the coil is

A 800 turn coil of effective area 0.05 m^(2) is kept perpendicular to a magnetic field 5xx10^(-5) T. When the plane of the coil is rotated by 90^(@) around any of its coplanar axis in 0.1 s, the emf induced in the coil will be:

A coil of 30 turns of wire each of 10 cm^(2) area is placed with its plance perpendicular to a magnetic field of 0.1 T . When the coil is suddenly withdraw from the field, a galvanometer connected in series with the coil indicated that a 10 mu C charge passes around the circuit. The combined resistance of the coil and galvanometer is

A coil of area 100 cm^(2) having 50turns is perpendicular to a magnetic field of intensity 0.02T. The resistance of the coil is 2Omega . If t is removed from magnetic field in is the charge flown through the coil is:

A coil having an area of 0.4 m^(2) and 100 turns is kept perpendicular to a uniform magnetic field of induction of 0.5 Wb//m^(2) . The coil is rotated about one of is diameter so as to cut the lines of induction of the magnetic field. The average value of emf induced in the coil if it is rotated through 60^(@) in 2 seconds will be

A circular coil of 100 turns has an effective radius of 0.05 m and carries a current of 0.1 A. How much work is required to turn it in an external magnetic field of 1.5 Wb m^-2 through 180^@ about an axis perpendicular to the magnetic field. The plane of the coil is initially perpendicular to the magnetic field.

a coil of 1200 turns and mean area of 500 cm^(2) is held perpendicular to a uniform magnetic field of induction 4 xx 10^(-4) T . The resistance of the coil is 20 ohms. When the coil is rotated through 180^(@) in the magnetic field in 0.1 seconds the average electric current (in mA ) induced is :

ERRORLESS -ELECTRO MAGNETIC INDUCTION-SET
  1. A circular coil opf 500 turns of wire has an enclosed area of 0.1 m^(2...

    Text Solution

    |

  2. The figure shows four wire loops, with edge length of either L or 2L. ...

    Text Solution

    |

  3. A circular coil and a bar magnet placed nearby are made to move in the...

    Text Solution

    |

  4. A square coil ABCD lying in x-y plane with its centre at origin. A lon...

    Text Solution

    |

  5. A short magnet is allowed to fall from rest along the axis of a horizo...

    Text Solution

    |

  6. The horizontal component of the earth's magnetic field at a place is 3...

    Text Solution

    |

  7. A copper disc of radius 0.1 m rotates about its centre with 10 revolut...

    Text Solution

    |

  8. A coil of Cu wire (radius r, self-inductance L) is bent in two concen...

    Text Solution

    |

  9. In which of the following circuits is the current maximum just after t...

    Text Solution

    |

  10. A small coil is introduced between the poles of an electromagnet so th...

    Text Solution

    |

  11. Two circular coils A and B are facing each other as shown in figure. T...

    Text Solution

    |

  12. A conductuing loop having a capacitor is moving outward from the magne...

    Text Solution

    |

  13. A straight wire of length L is bent into a semicircle. It is moved in ...

    Text Solution

    |

  14. If in a coil rate of change of area is (5meter^(2))/(milli second)and ...

    Text Solution

    |

  15. In series with 20 ohm resitor a 5 henry inductor is placed. To the com...

    Text Solution

    |

  16. Two circular coils P & Q are coaxially & carry currents I1 and I2 resp...

    Text Solution

    |

  17. The phase difference between the flux linkage and the induced e.m.f. i...

    Text Solution

    |

  18. A pair of parallel conducting rails lie at right angle to a uniform ma...

    Text Solution

    |

  19. The magnetic field in the cylindrical region shown in figure increase ...

    Text Solution

    |

  20. An aircraft with a wingspan of 40 m flies a speed of 1080 km hr(1) in ...

    Text Solution

    |

  21. A hundred turns of insulated copper wire are wrapped around an iron cy...

    Text Solution

    |