Home
Class 12
PHYSICS
A tangent galvanometer has 66 turns and ...

A tangent galvanometer has 66 turns and the diameter of its coil is 22cm. It gives a deflection of `45^@ for 0.10 ` A current. What is the value of the horizontal component of the earth's magnetic field?

A

`300 mA`

B

`228 mA`

C

`158 mA`

D

`130mA`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MAGNETISM AND MATTER )|52 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (CUTTENT ELECTRICITY )|108 Videos

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - III|24 Videos

  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise LAW OF MOTION|128 Videos

Similar Questions

Explore conceptually related problems

At a place, the horizontal component of earth's magnetic field is B and angle of dip is 60^@ . What is the value of horizontal component of earth's magnetic field at equator?

At a place, the horizontal component of earth's magnetic field is V and angle of dip is 60^(@) . What is te value of horizontal component of earth's magnetic field at equator ?

A tangent galvanometer shown a deflection of 45^@ when 10 mA of current is passed through it. If the horizontal component of the earth's magnetic field is B_H = 3.6 xx 10^(-5) T and radius of the coil is 10cm , find the number of turns in the coil.

Earth's magnetic field always has a horizontal component except at

A circular coil of radius 20 cm and 20 turns of wire is mounted vertically with its plane in magnetic meridian.A small magnetic needle (free to rotate about vertical axis) is placed at the center of the coil.It is deflected through 45^(@) when a current is passed through the coil and in equilbrium (Horizontal component of earth's field is 0.34 xx 10^(-4) T ).The current in coil is:

A circuit coil of radius 20 cm and 20 turns of wire is mounted vertically withits plane in the magnetic meridian. A small magnetic needle placed at the center of the coil is deflected through 45^(@) when a current is passed through the coil. What is the value of the current? (horizontal induction of earth's field = 3.6xx10^(-5)Wb//m^(2)

At the magnetic north pole of the earth, the value of horizontal component of earth's magnetic field and angle of dip are, respectively

A tangent galvanometer has a coil with 50 turns and radius equal to 4 cm . A current of 0.1 A is passing through it. The plane of the coil is set parallel to the earth's magnetic meridian. If the value of the earth's horizontal component of the magnetic field is 7xx10^(-5) Tesla and mu_(0)=4pixx10^(-7)Weber//ampxxm then the deflection in the galvanometer needle will be

A magnetic needle is arranged at the centre of a current carrying coil having 50 turns with radius of coil 20cm arranged along magnetic meridian. When a current of 0.5mA is allowed to pass through the coil the deflection is observed to be 30°. Find the horizontal component of earth's magnetic field

A magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has its north tip pointing down at 22^@ with the horizontal. The horizontal component of the earth's magnetic field at the place is known to be 0*35G . Determine the strength of the earth's magnetic field at the place.

AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (MOVING CHANGES & MEGNETISM)
  1. Three long straight and parallel wires carrying currents are arranged ...

    Text Solution

    |

  2. Two parallel horizontal conductors are suspended by two light vertical...

    Text Solution

    |

  3. Along wire carrying a current of 40A as shown in figure. The rectangul...

    Text Solution

    |

  4. Two long parallel wires are at a distance 2d apart. They carry steady ...

    Text Solution

    |

  5. A conducting ring of mass 2kg, radius 0.5m carries a current of 4A. I...

    Text Solution

    |

  6. A wire fo length l is bent in the from of a circular coil of some tur...

    Text Solution

    |

  7. A rectangular coil 6 cm long and 2 cm wide is placed in a magnetic fie...

    Text Solution

    |

  8. A circular coil of 20 turns and radius 10 cm is placed in uniform magn...

    Text Solution

    |

  9. A moving coil galvanometer 'A' has 200 turns and a resistance of 100Om...

    Text Solution

    |

  10. A tangent galvanometer has 66 turns and the diameter of its coil is 22...

    Text Solution

    |

  11. A galvanometer has a resistance of 3663Omega. A shunt S is connected a...

    Text Solution

    |

  12. A galvanometer having a resistance of 50Omega, gives a full scale defl...

    Text Solution

    |

  13. A galvanometer has a resistance G and current I(a) flowing in it. Prod...

    Text Solution

    |

  14. The deflection of a galvanometer falls to 1//10^(th) when a resistanc...

    Text Solution

    |

  15. A moving coil galvanometer has 150 equal divisions. Its current sensit...

    Text Solution

    |

  16. A straight rod of mass m and lenth L is suspended from the identical s...

    Text Solution

    |

  17. A rigid circular loop of radius r and mass m lies in the xy-plane on a...

    Text Solution

    |

  18. In the circuit diagrams (A,B,C and D) shown below, R is a high resista...

    Text Solution

    |

  19. To find the resistance of a galvanometer by the half deflection method...

    Text Solution

    |

  20. Deflection of galvanometer in the circuit is 71 divisions. A shunt of...

    Text Solution

    |