Home
Class 10
PHYSICS
(a) Name two factors on which the specif...

(a) Name two factors on which the specific resistance of a wire depends ?
(b) Two wires A and B are made of copper. The wire A is long and thin, while the wire B is short and thick. Which will have more specific resistance ?

Text Solution

Verified by Experts

Both will have the same specific resistance
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    ICSE|Exercise EXERCISE-8(A) ( MULTIPLE CHOICE TYPE)|2 Videos

  • CURRENT ELECTRICITY

    ICSE|Exercise EXERCISE-8(A)(NUMERICALS )|16 Videos

  • CURRENT ELECTRICITY

    ICSE|Exercise EXERCISE-8(C) NUMERICALS |35 Videos

  • CALORIMETRY

    ICSE|Exercise EXERCISE-11(B) (NUMERICALS)|15 Videos

  • ELECTRO-MAGNETISM

    ICSE|Exercise EXERCISE-10 (C) NUMERICALS |1 Videos

Similar Questions

Explore conceptually related problems

Specific resistance of a wire depends on its

Specific resistance of a wire depends on its

How does (a) resistance, and (b) specific resistance of a wire depend on its (i) length, and (ii) radius?

State three factors on which the resistance of a wire depends. Explain how does the resistance depend on the factors stated by you.

Two copper wire of length l and 2l have radii, r and 2r respectively. What si the ratio of their specific resistance.?

Name three factors on which resistance of a given wire depends and state how it is affected by the factors stated by you.

Two wires, one of copper and the other of iron, are of the same length and same radius. Which will have more resistance ? Give reason.

Two copper wires are of the same length, but one is thicker than the other. (1) Which wire will have more resistance ? (2) Which wire will have more specific resistance ?

Two copper wires are of the same length, but one is thicker than the other : (a) Which wire will have more resistance? (b) Which wire will have more specific resistance?

Two wires of equal length one of copper and other of manganin have the same resistance. Which wire is thicker?

ICSE-CURRENT ELECTRICITY-EXERCISE-8(A)
  1. How does the resistivity of a consuctor depend upon temperature and el...

    Text Solution

    |

  2. Two wires, one of copper and the other of iron, are of the same length...

    Text Solution

    |

  3. Name three factors on which resistance of a given wire depends and sta...

    Text Solution

    |

  4. Define the term "specific resistance and state its S.I. unit.

    Text Solution

    |

  5. Write an expression connecting the resistance of a wire and specific r...

    Text Solution

    |

  6. State the order of specific resistance of a metal,

    Text Solution

    |

  7. State the order of specific resistance of a semiconductor

    Text Solution

    |

  8. State the order of specific resistance of an insulator

    Text Solution

    |

  9. (a) Name two factors on which the specific resistance of a wire depend...

    Text Solution

    |

  10. Name a substance of which the specific resistance remains almost uncha...

    Text Solution

    |

  11. How does the specific resistance of a semi-conductor change with the i...

    Text Solution

    |

  12. How does (a) resistance, and (b) specific resistance of a wire depend ...

    Text Solution

    |

  13. Name the material used for making connection wires. Give a reason for ...

    Text Solution

    |

  14. Why should a connection wire be thick ?

    Text Solution

    |

  15. Name a material which is used for making a standard resistor. Give a r...

    Text Solution

    |

  16. Name the material used for making a fuse wire. Give a reason.

    Text Solution

    |

  17. Name the material used for filament of an electric bulb,

    Text Solution

    |

  18. Name the material used for heating element of a room heater.

    Text Solution

    |

  19. What is a superconductor ? Give one example of it.

    Text Solution

    |

  20. A substance has nearly zero resistance at a temperature of 1 K What is...

    Text Solution

    |