Home
Class 10
PHYSICS
With decreae in density of the material,...

With decreae in density of the material, the resistance of the conductor

A

increaes

B

decreases

C

remains the same

D

first increases then decreases

Text Solution

Verified by Experts

The correct Answer is:
A
Resistance of a conductor increase with decrease in density of the material.
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT

    MCGROW HILL PUBLICATION|Exercise HIGHER ORDER THINKING QUESTIONS|29 Videos

  • GRAVITATION

    MCGROW HILL PUBLICATION|Exercise HIGHER ORDER THINKING QUESTIONS|25 Videos

Similar Questions

Explore conceptually related problems

The resistance of a conductor is

The resistance of a conductor at 30^@C is 3.25 Omega and at 100^@C is 3.95Omega . Calculate the temperature coefficient of resistance of the conductor and the resistance of the conductor at 0^@C .

Resistance of conductor depends on

The electrical resistance of a conductor depends upon

A potential difference is applied between the ends of a conductor of uniform radius 2 mm . It results in an electric field of strength 250 V//m along the length of conductor. Find the resistivity of the material if current in the conductor is 2 pi A .

The reciprocal of resistity of a conductor is

MCGROW HILL PUBLICATION-ELECTRIC CURRENT -HIGHER ORDER THINKING QUESTIONS
  1. With decreae in density of the material, the resistance of the conduct...

    Text Solution

    |

  2. With decrease in temperature, resistivity of a conductor

    Text Solution

    |

  3. If length of a metallic wire becomes n times, its resistance becomes

    Text Solution

    |

  4. If radius of a metallic wire becomes n times, its resistance becomes

    Text Solution

    |

  5. If area of cross-section of a metalic wire becomes n times, its resist...

    Text Solution

    |

  6. What happens to its resistivity when some impurity is added in a condu...

    Text Solution

    |

  7. If a wire of resistacne R is fold n times so that its length becomes (...

    Text Solution

    |

  8. A conductor behaves as a superconductor

    Text Solution

    |

  9. A rectangular conducting cube (resistivity rho ) has dimensions l xx b...

    Text Solution

    |

  10. If equivalent resistances of R (1) and R (2) in series and parallel be...

    Text Solution

    |

  11. If an equilateral triangle is made of a uniform wire is resistance R, ...

    Text Solution

    |

  12. A resistor of 25 cm length and 4 ohm is stretched to a uniform wire of...

    Text Solution

    |

  13. A wire of resistance 1 Omega is stretched so as to change its diameter...

    Text Solution

    |

  14. The V-I graph for a good conductor makes angle 42 ^(@) with V-axis. He...

    Text Solution

    |

  15. If a variable resistance is connected to a cell of constant e.m.f., th...

    Text Solution

    |

  16. When the switch S is closed in the given circuit, the current passed t...

    Text Solution

    |

  17. You are given three equal resistors. How many resistances can be obtai...

    Text Solution

    |

  18. A 8 Omega resistance wire is bent through 180^(@) at its mid point an...

    Text Solution

    |

  19. The equivalent resistance of network of three 4 Omega resistors can no...

    Text Solution

    |

  20. Six equal resistances, each 1 Omega, are joined to form a network as s...

    Text Solution

    |