Home
Class 12
PHYSICS
Two wires of the same dimensions but res...

Two wires of the same dimensions but resistivities `p_(1)` and `p_(2)` are connected in series. The equivalent resistivity of the combination is

A

`(n(n-1))/(2)`

B

`((n+1))/(2)`

C

`((n+1))/(2n)`

D

`(2n)/(n+1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MOVING CHANGES & MEGNETISM)|95 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MAGNETISM AND MATTER )|52 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (ELECTRIC POTENTIAL & CAPACITANCE )|143 Videos

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - III|24 Videos

  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise LAW OF MOTION|128 Videos

Similar Questions

Explore conceptually related problems

Two wires of the same dimensions but resistivities rho_(1) and rho_(2) are connected in series. The equivalent resistivity of the combination is

Two wires of same dimension but resistivity p_(1) and p_(2) are connected in series. The equivalent resistivity of the combination is

The wire of same dimension but resistivities (p_1) and (p_2) are connected in parallel. The equivalent resistivity of the combination is

The wires is of same dimension but resistivities rho_1 and rho_2 are connected in parallel . The equivalent resistivity of the combination is

The equivalent resistance of the combination across AB is .

Two resistors of resistances R_(1)=(300+-3) Omega and R_(2)=(500+-4) Omega are connected in series. The equivalent resistance of the series combination is

Two resistors of 2.092 and 3.0 22 are connected in series. Find the effective resistance of combination .

A wire of resistance R is cut into ‘ n ’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be

The resistance 4R,16R,64R.... oo are connected in series. Find their equivalent resistance.

Two cells of the same e.mf. e but different internal resistances r_(1) and r_(2) are connected in series with an external resistance 'R'. The potential drop across the first cell is found to be zero. The external resistance Ris

AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (CUTTENT ELECTRICITY )
  1. A rectangular block has dimensions 5 cm xx 5 cm xx 10 cm . Calculate...

    Text Solution

    |

  2. The wires of same dimension but resistivities rho(1) and rho(2) are co...

    Text Solution

    |

  3. Two wires of the same dimensions but resistivities p(1) and p(2) are c...

    Text Solution

    |

  4. Two rods are joined end to end. Both have a cross - sectional ar...

    Text Solution

    |

  5. Resistance of a wire is 8 Omega . It is drawn in such away that it exp...

    Text Solution

    |

  6. Find the value of colour coded resistance shown is fig

    Text Solution

    |

  7. The colour coded resistance of corbon resistance is (Initial three ban...

    Text Solution

    |

  8. The colour coded carbon resistance has three bands. the bands from lef...

    Text Solution

    |

  9. The third band in colour coded resistance represents

    Text Solution

    |

  10. The resistance of the wire is 121 ohm. It is divided into 'n' equal pa...

    Text Solution

    |

  11. When two resistance 10 Omega and 20 Omega are connected in series an...

    Text Solution

    |

  12. When two resistances are connected in series. The effective resistance...

    Text Solution

    |

  13. The resultant resistance of two resistance in series is 50 Omega and i...

    Text Solution

    |

  14. A uniform wire is cut into 10 segments of increasing length. Each segm...

    Text Solution

    |

  15. Two square metal plates A and B are of the same thickness and material...

    Text Solution

    |

  16. Three unequal resistors in parallel are equivalent to a resistance 1Om...

    Text Solution

    |

  17. When 16 wires which are identical are connected in series, the effecti...

    Text Solution

    |

  18. A uniform conductor of resistance R is cut into 20 equal pieces. Half ...

    Text Solution

    |

  19. A conductor of resistance 3Omega is stretched uniformly till its lengt...

    Text Solution

    |

  20. Four resistance 10 Omega,5Omega,7 Omega and 3 Omega are connected so ...

    Text Solution

    |