Home
Class 12
PHYSICS
If the length of a conductor is increase...

If the length of a conductor is increased by `100%` keeping its area of cross-section constant, the percentage increase in its resistance is

A

`100%`

B

`50%`

C

`200%`

D

`25%`

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION-B(OBJECTIVE TYPE QUESTION ))|31 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION-C(OBJECTIVE TYPE QUESTION ))|3 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE|Exercise Try Yourself|32 Videos

  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION D (Assertion-Reason)|10 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D)|10 Videos

Similar Questions

Explore conceptually related problems

If the radius of cross-section of the conductor is increased by 0.1 % keeping volume constant, then percentage change in the resistance of the conductor is

If the height of a cone is increased by 100% then its volume is increased by :

If a 0.1 % increase in length due to stretching, the percentage increase in its resistance will be

If an increase in length of copper wire is 0.5% due to stretching, the percentage increase in its resistance will be

The length of a rectangle is increased by 10% and the breadth is increased by 25%. What is the percentage change in its area?

If the area of reatangle is increased by 13% and its breadth is increased by 5%, then what is the percentage increase in its length? (Approximately)

AAKASH INSTITUTE-CURRENT ELECTRICITY-ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))
  1. If V is the potential difference between the ends of conductor and l i...

    Text Solution

    |

  2. The resistance of a conductor depends on its

    Text Solution

    |

  3. If the length of a conductor is increased by 100% keeping its area of...

    Text Solution

    |

  4. If the radius of cross-section of the conductor is increased by 0.1 % ...

    Text Solution

    |

  5. Which of the following is a non metallic conductor

    Text Solution

    |

  6. If vec(j) and vec(E ) are current density and electric field respectiv...

    Text Solution

    |

  7. Current density vec(j ) at an area vec( A) = ( 2 hat(i ) + 3 hat(j)...

    Text Solution

    |

  8. Which of the following represents the ohm's law ?

    Text Solution

    |

  9. The ratio of magnitude of current density and magnitude of electric fi...

    Text Solution

    |

  10. Conductivity of a conductor of length L and radius of cross-section r ...

    Text Solution

    |

  11. Resistance of the conductor of length 5m and area of cross -section 4...

    Text Solution

    |

  12. When electric field is applied inside a conductor then free electron ...

    Text Solution

    |

  13. If n,e,A and v(d) are free electron density inside conductor , charge...

    Text Solution

    |

  14. If n ,e,m and tau are free electron density in conductor , charge of ...

    Text Solution

    |

  15. A current of 10 A is maintained in a conductor of cross-section 1 cm^(...

    Text Solution

    |

  16. Two wires A an dB of the same material, having radii in the ratio I : ...

    Text Solution

    |

  17. If mu is the mobility of free electrons inside a conductor , then m...

    Text Solution

    |

  18. A potential difference of 5V is applied across a conductor of length ...

    Text Solution

    |

  19. The SI unit of electron mobility is :

    Text Solution

    |

  20. When electric field inside a conductor is E, mobility of free electron...

    Text Solution

    |