Home
Class 12
PHYSICS
A moving coil galvanometer can be conver...

A moving coil galvanometer can be converted into an ammeter.
a. Is the statement true or false?
b. Is it possible? Explain
c. What is the effective resistance?

Text Solution

Verified by Experts

a. True
b. By connecting a suitable low resistance (short) parallel to it.
c. Less than that of shunt.
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION|1 Videos
  • MOVING CHARGES AND MAGNETISM

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION (ASSIGNMENT)|4 Videos
  • MOVING CHARGES AND MAGNETISM

    NEW JOYTHI PUBLICATION|Exercise PRACTICE PROBLEMS FOR SELF ASSESSMENT|20 Videos
  • MAGNETISM AND MATTER

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|13 Videos
  • NUCLEI

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|23 Videos

Similar Questions

Explore conceptually related problems

Examine whether the following statements are true or false: { a, b } ⊄ { b, c, a }

Examine whether the following statements are true or false: { a }⊂ { a, b, c }

Examine whether the following statements are true or false: { a }∈ { a, b, c }

Assertion : A galvanometer can be converted into a voltmeter by connecting hight resistance (Rh) in series with the galvanometer . Reason : The high resistance , R_(h) = V/I_(g) - R_(g) where , I_(g) to current through galvanometer R_(g) to Resistance of the galvanometer

A given galvanometer is to be converted into (i) an ammeter (ii) a voltmeter. In which case will the required resistance be (i) least (ii) highest and why?

Cancer can be cured completely by using chemotherapy. a. Is this statement true? b. What is chemotherapy? c. Name any other five types of treatment against cancer.

If A sub B "and " C, " then " A in C is this statement true ?

In a moving coil galvanometer, a. why is horse-shoe magnet used? b. why is phosphor bronze fibre used? c. why is a soft iron cylinder used?

The deflection in moving coil galvanometer is reduced to half when it is shunted with a 40 Omega coil . The resistance of the galvanometer is

Determine whether the statement is true or false. If it is true, prove it. If ir false, give an example. If x in A and A in B, then x in B

NEW JOYTHI PUBLICATION-MOVING CHARGES AND MAGNETISM-EVALUATION QUESTIONS AND ANSWERS
  1. What is the magnetic field along the axis and equatorial line of a bar...

    Text Solution

    |

  2. A current carrying circular loop lies on a smooth horizontal plane. Ca...

    Text Solution

    |

  3. A uniform magnetic field of 3000G is established along the positive z-...

    Text Solution

    |

  4. Describe qualitatively the path of a charged particle moving in a unif...

    Text Solution

    |

  5. A uniform magnetic field of 1.5 T exists in a cylindrical region of ra...

    Text Solution

    |

  6. A straight horizontal conducting rod of length 0.45 m and mass 60 g is...

    Text Solution

    |

  7. A current carrying loop of irregular shape is located in an external m...

    Text Solution

    |

  8. Starting from the expression for the force on a current carrying condu...

    Text Solution

    |

  9. a. What type of particles can be accelerated in a cyclotron? b. Why ...

    Text Solution

    |

  10. In a moving coil galvanometer, a. why is horse-shoe magnet used? ...

    Text Solution

    |

  11. Expression for voltage sensitivity is (theta)/(v) = (NAB)/(CR) a. Wh...

    Text Solution

    |

  12. A moving coil galvanometer can be converted into an ammeter. a. Is t...

    Text Solution

    |

  13. No net force acts on a rectangular loop carrying a steady current when...

    Text Solution

    |

  14. A student records the following data for the magnitudes (B) of the mag...

    Text Solution

    |

  15. What is the magnitude of the induced current in the circular loop KLMN...

    Text Solution

    |

  16. A short bar magnet placed with its axis at 30^@ to a uniform magnetic ...

    Text Solution

    |

  17. In the diagram shown is ciruclar loop carrying current I. show the dir...

    Text Solution

    |

  18. Two long parallel straight wires X and Y separated by a distance of 5 ...

    Text Solution

    |

  19. A galvanometer with a coil of resistance 120 ohm shows full-scale defl...

    Text Solution

    |

  20. Two wires of equal lengths are bent in the form of two loops. One of t...

    Text Solution

    |