Home
Class 12
PHYSICS
Given n resistors each of resistance R. ...

Given n resistors each of resistance R. how will you combine them to get the maximum effective resistance? What is the ratio of the maximum to minimum resistance?

Promotional Banner

Topper's Solved these Questions

  • COMMUNICATIONS SYSTEMS

    PSEB|Exercise EXERCISE|9 Videos
  • ELECTRIC CHARGES AND FIELDS

    PSEB|Exercise EXERCISE|48 Videos

Similar Questions

Explore conceptually related problems

You are given n-resistors each of resistance r. These are first connected to get minimum possible resistance. In second case again connected to the maximum possible resistance. Compare the ratio between the minimum and maximum value of resistance so obtained?

n equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance?

A student has 10 resistors each of resistance r, From the given resistors, the minimum resistance made by him is

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?

You are given n resistors each of resistance r .These are first connected to get minimum resistance .In the secoind case these are again connected differently to get maximum possible resistance. Compute the ratio between the minimum and maximum value of resistance so obtained.

Given three resistors of resistances 1Q (Ohm), 2Q (Ohm) and 3Q (Ohm). How will you combine them to get an equivalent resistance of 11/(5Omega) (Ohm) ?

Discuss the effect of temperature on the resistance of a conductor. Hence define the temperature coefficient of resistance. What is the unit of the temperature coefficient of resistance?

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.

Two resistors of resistance 4 ohm and 12 ohm are connected in parallel. Calculate the values of effective resistance in each case.

Two resistors of resistance 4 ohm and 12 ohm are connected in series. Calculate the values of effective resistance in each case.

PSEB-CURRENT ELECTRICITY-EXERCISE
  1. Answer the following questions: Is Ohm’s law universally applicable fo...

    Text Solution

    |

  2. Answer the following questions: A low voltage supply from which one ne...

    Text Solution

    |

  3. Answer the following questions: A high tension (HT) supply of, say, 6 ...

    Text Solution

    |

  4. Choose the correct alternative: Alloys of metals usually have (greater...

    Text Solution

    |

  5. Choose the correct alternative: Alloys usually have much (lower//highe...

    Text Solution

    |

  6. Choose the correct alternative: The resistivity of the alloy manganin ...

    Text Solution

    |

  7. Choose the correct alternative: The resistivity of a typical insulator...

    Text Solution

    |

  8. Given n resistors each of resistance R. how will you combine them to g...

    Text Solution

    |

  9. Given n resistors each of resistance R. how will you combine them to g...

    Text Solution

    |

  10. Given the resistances of 1Omega ,2Omega ,3Omega , how will be combine ...

    Text Solution

    |

  11. Determine the equivalent resistance of networks shown in Fig. 3.31. :

    Text Solution

    |

  12. Determine the current drawn from a 12V supply with internal resistance...

    Text Solution

    |

  13. Figure shows a potentiometer with a cell of 2.0 V and internal resist...

    Text Solution

    |

  14. Figure shows a potentiometer with a cell of 2.0 V and internal resist...

    Text Solution

    |

  15. Figure 3.33 shows a potentiometer with a cell of 2.0 V and internal re...

    Text Solution

    |

  16. Figure 3.33 shows a potentiometer with a cell of 2.0 V and internal re...

    Text Solution

    |

  17. Figure 3.33 shows a potentiometer with a cell of 2.0 V and internal re...

    Text Solution

    |

  18. Figure 3.33 shows a potentiometer with a cell of 2.0 V and internal re...

    Text Solution

    |

  19. Figure 3.34 shows a potentiometer circuit for comparison of two resist...

    Text Solution

    |

  20. Figure 3.35 shows a 2.0 V potentiometer used for the determination of ...

    Text Solution

    |