Home
Class 12
PHYSICS
Resistance n, each of r ohm, when connec...

Resistance n, each of r ohm, when connected in parallel give an equivalent resistance of R ohm. If these resistances were connected series, the combination would have a resistance in ohm, equal to

A

`n^2R`

B

`R//n^2`

C

`R//n`

D

nR

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEXTUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|507 Videos

  • STRUCTURE OF NUCLEUS

    MODERN PUBLICATION|Exercise EXERCISE|47 Videos

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos

Similar Questions

Explore conceptually related problems

n conductors, each of resistance r, when connected in parallel, give an effetive resistance R. What will be resistance, if they are connected in series?

Find the equivalent of resistances of the individual resistance connected in series?

Ten identical wires each having a resistance of 1Omega are connected in parallel. The combination will have a resistance of

Four resistance R_1,R_2,R_3 and R_4 are connected in parallel. The resultant resistance R is

Find the equivalent resistance of three resistors of 2Ohm,3Ohm,4Ohm when connected in series ?

A set of n identical resistors, each of resistance R Omega, when connected in series have an effective resistance X Omega and when the resistors are connected in parallel, their effective resistance is Y Omega. Find the relation between R, X and Y.

With the help of a diagram derive the formula for the equivalent resistance of three resistances connected in parallels?

MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
  1. The total powe dissipated (in watt) in the cirucit shown is

    Text Solution

    |

  2. A current of 3 A flows through the 2Omega resistor shown in the circui...

    Text Solution

    |

  3. Resistance n, each of r ohm, when connected in parallel give an equiva...

    Text Solution

    |

  4. When a wire of uniform cross-section a, length l and resistance R is b...

    Text Solution

    |

  5. A wire of resistance 12 Omega m^(-1) is bent to from a complete circle...

    Text Solution

    |

  6. Two wires of the same metal have the same length, but their cross-sect...

    Text Solution

    |

  7. Three resistances each of 4 ohm are connected in the form of an equila...

    Text Solution

    |

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

    Text Solution

    |

  9. The current in the given circuit is

    Text Solution

    |

  10. In the circuit shown, the current through the 4Omega resistor is 1 A, ...

    Text Solution

    |

  11. You are given several identical resistors each of value 10Omega and ea...

    Text Solution

    |

  12. When the key K is pressed at time t 0, then which of the following st...

    Text Solution

    |

  13. The internal resistance of a cell of e.m.f. 2 V is 0.1 Omega. It is co...

    Text Solution

    |

  14. For a Cell, the terminal potential difference is 2.2 V when circuit is...

    Text Solution

    |

  15. A current of 2A flows through a 2 ohm resistor when connected across a...

    Text Solution

    |

  16. A student measures the terminal potential difference (V) of a cell (of...

    Text Solution

    |

  17. Two batteries , one of e.m.f. 18 V and internal resistance 2Omega and ...

    Text Solution

    |

  18. A battery is charged at a potential of 15 V for 8 h when the current f...

    Text Solution

    |

  19. Two cells, having the same emf, are connected in series through an ext...

    Text Solution

    |

  20. Kirchoff's first law is based on the law of conservation of .......

    Text Solution

    |