Home
Class 12
PHYSICS
Constantan wire is used in making standa...

Constantan wire is used in making standard resistances, because its :–

A

specific resistance is low

B

density is high

C

temperature coeff. of resistance is negligible

D

melting point is high

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -3 SECTION -A (PREVIOUS YEAR PROBLEMS NEET)|34 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -3 SECTION -B (PREVIOUS YEAR PROBLEMS JEE MAIN)|42 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -1 (OBJECTIVE PROBLEMS NEET)|64 Videos

  • CONSTRAINED MOTION

    MOTION|Exercise EXAMPLES|12 Videos

  • ELASTICITY

    MOTION|Exercise EXERCISE -3|60 Videos

Similar Questions

Explore conceptually related problems

Why are alloys used for making standard resistance coils?

Why are constantan and manganin used for making standard resistances ?

The alloys constantan and manganin are used to make standard resistance due to they have

We use alloys for making standard resistors because they have

MOTION-CURRENT ELECTRICITY-EXERCISE -2 (OBJECTIVE PROBLEMS NEET)
  1. If the current flowing through a copper wire of 1mm diameter is 1.1A. ...

    Text Solution

    |

  2. A Steady current flows in a metalic conductor of non uniform cross sec...

    Text Solution

    |

  3. Constantan wire is used in making standard resistances, because its :–

    Text Solution

    |

  4. Which of the following is scalar :–

    Text Solution

    |

  5. The current conduction in a discharged tube is due to

    Text Solution

    |

  6. The number of free electrons per 100 mm of ordinary copper wire is 2xx...

    Text Solution

    |

  7. The length of a given cylindrical wire is increased by 100%. Due to th...

    Text Solution

    |

  8. Three copper wires of length and cross-sectional areas are (L,A)(2L,(A...

    Text Solution

    |

  9. When a piece of aliminium wire of finite length is drawn through a ser...

    Text Solution

    |

  10. The resistivity of a wire depends on its

    Text Solution

    |

  11. The conductivity of a super conductor is

    Text Solution

    |

  12. A copper wire iis stretched to make it 0.1% longer. What is the percen...

    Text Solution

    |

  13. A metal wire of resistance R is cut into three equal pieces that are t...

    Text Solution

    |

  14. Masses of three wires of same metal are in the ratio 1:2:3 and their l...

    Text Solution

    |

  15. As the temperature of a metallic resistor is increased,the product of ...

    Text Solution

    |

  16. A bullet of mass 2 gm is having a charge of 2 muc. Through what potent...

    Text Solution

    |

  17. What will be the equivalent resistance between the A and D ?

    Text Solution

    |

  18. In the arrangement of resistances shown in the circuit. The potential...

    Text Solution

    |

  19. Express which of the following set ups can be used to verify ohm's l...

    Text Solution

    |

  20. The resistance across P and Q in the given figure is

    Text Solution

    |