Home
Class 12
PHYSICS
A tangent galvanometer has a coil of 50 ...

A tangent galvanometer has a coil of 50 turns and a radius of 20cm. The horizontal component of the earth's magnetic field is `B_H = 3 xx 10^(-5) T`. Find the current which gives a diflection of `45^@)`.

Text Solution

Verified by Experts

The correct Answer is:
0.2
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELD AND MAGNETIC FORCES

    CENGAGE PHYSICS|Exercise Multiple Correct Answer type|2 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    CENGAGE PHYSICS|Exercise Question Bank|5 Videos

Similar Questions

Explore conceptually related problems

A tangent galvanometer has a coil of 50 turns and a radius of 20 cm The horizontal component of the earth's magnetic field is B_(H)=3 xx 10^(-5)T . Find the current (in ampere) which gives a deflection of 45^(circ) . (Take pi=3 )

A tangent galvanometer has a coil of 25 turns and radius of 15 cm. The horizontal component of the earth's magnetic field is 3xx10^(-5)T . The current required to producea defection of 45^(@) in it, is

The coil of a tangent galvonometer of radius 12cm is having 200turns. If the forinzontal component of earth's magnetic field is 25muT . Find the current which gives a deflection of 60^(@) .

The horizontal component of the earth's magnetic field is 3.6 xx 10^(-5) T where the dip is 60^@ . Find the magnitude of the earth's magnetic field.

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.

Tangent galvanometer is placed at a location where horizontal component of earth's magnetic field is B_H = 3.0 xx 10^(-5) T. Radius of the coil used in galvanometer is 25 cm and number of turns are 100. Find the current flowing through the galvanometer if deflection is 60^@

For a place, horizontal component of the earth's magnetic magnetic field is 3 xx 10^(-5) T . Calculate the magnetic field of the earth at this place when angle of dip is 45^@ N.

The magnetic needle of a tangent galvanometer is deflected at an angle of 30^@ due to magnet. The horizontal component of earth's magnetic field 0*34xx10^-4T is along the plane of the coil. What is magnetic intensity?

CENGAGE PHYSICS-Magnetism and Matter-Question Bank
  1. The absolute magnetic permeability mu of a specimen of magnetic materi...

    Text Solution

    |

  2. The area of B-H loop for a ferromagnetic material is 540 j m^(-3). If ...

    Text Solution

    |

  3. A tangent galvanometer has a coil of 50 turns and a radius of 20cm. Th...

    Text Solution

    |

  4. Relation between permeability' mu and magnetizing field H for a sample...

    Text Solution

    |

  5. When arod of magnetic material of size 10cm xx 0.5 cm xx 0,2cm is loc...

    Text Solution

    |

  6. A solenoid has 10^(3) turns per unit length. On passing a current of 2...

    Text Solution

    |

  7. A bar magnet of magnetic moment M and moment of inertia I (about cente...

    Text Solution

    |

  8. A magnet makes 40 oscillations per minute at a place having magnetic f...

    Text Solution

    |

  9. A puramagnetic sample shows a net magnetization of '8 A m^(-1) when pl...

    Text Solution

    |

  10. A solenoid of 500 turns /m is carrying a current of 3A. Relative perm...

    Text Solution

    |

  11. A rod of magnetic material of cross section 0.25 cm^(2) is located in ...

    Text Solution

    |

  12. Magnetic field of the earth is 0.3 G. A magnet is oscillating with the...

    Text Solution

    |

  13. A magnetic dipole is under the influence of two magnetic fields. The a...

    Text Solution

    |

  14. The area of hysteresis loop. of a material is equivalent to 250J / m^2...

    Text Solution

    |

  15. Density of iron is 7.8 g/ (cc) and induced 'nagnetic field in iron is1...

    Text Solution

    |

  16. A closely wound solenoid of 3000 turns and area of cross-section 2 xx ...

    Text Solution

    |

  17. At a given place on the earth's surface, the horizontal component of e...

    Text Solution

    |

  18. At a certain place, the horizontal component of the earth's magnetic f...

    Text Solution

    |

  19. At a certain locatioa in Africa, compass point 12^(circ) west of geogr...

    Text Solution

    |

  20. A dipole of magnetic moment vec(m)=(30 hati) (A) (m)^(2) is placed alo...

    Text Solution

    |