Home
Class 12
PHYSICS
When three wires of unequal resistances ...

When three wires of unequal resistances are given the number of combinations they can be made to give different resistances is

A

6

B

4

C

2

D

8

Text Solution

Verified by Experts

The correct Answer is:
D

`2^(n)`
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 2 C.W|59 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 2 H.W|45 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 1 C.W|64 Videos
  • COMMUNICATION SYSTEM

    NARAYNA|Exercise Level-II(H.W)|25 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise ASSERTION AND REASON|15 Videos

Similar Questions

Explore conceptually related problems

If three wires of equal resistance are given then number of combination they cany be made to give different resistance is

What is the ratio of equivalent resistance of series combination of n equal resistance to the equivalent resistance in parallel combination of these n resistances ?

The three resistances of equal value are arranged in the different combinations shown below. Arrange them in increasing order of power dissipation

Given three equal resistors, how many different combination of all the three resistor can be made

Plants can be made disease-resistant by

The three resistances of equal values are arranged in the different combination shown in the figure. Arrange them in the increasing order of dissipation of power.

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

NARAYNA-CURRENT ELECTRICITY-Level 1 H.W
  1. If a wire of resistance R is melted and recasted in to half of its len...

    Text Solution

    |

  2. When a wire drawn until its radius decreases by 3% then percentage of ...

    Text Solution

    |

  3. When three wires of unequal resistances are given the number of combin...

    Text Solution

    |

  4. The resistance of a coi is 4.2Omega at 100^(@)C and the temperature co...

    Text Solution

    |

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

    Text Solution

    |

  6. A wire of resistance 50Omega is cut into six equal parts and they are ...

    Text Solution

    |

  7. A technician has only two resistance coils. By using them in series or...

    Text Solution

    |

  8. The effective between A&B in the given circuit is

    Text Solution

    |

  9. The effective resistance between A and B is 3Omega then the value of R...

    Text Solution

    |

  10. The effective resistance between A and B in the given circuit is

    Text Solution

    |

  11. An electric bulb is rated 220 volt - 100 watt. The power consumed by i...

    Text Solution

    |

  12. A heater coil is cut into two parts of equal length and one of them is...

    Text Solution

    |

  13. if the electrc current in a lamp decreases by 5% then the power output...

    Text Solution

    |

  14. Two electric bulbs whose resistances are in the ratio of 1:2 are conne...

    Text Solution

    |

  15. A bulb rated 60 W-120 V is connected to 80 V mains. What is the curren...

    Text Solution

    |

  16. An electric bulb has the folloiwng specifications 100 watt, 220 volt. ...

    Text Solution

    |

  17. A 200 W and 100 W bulbs, both meant for operation at 220 V, are connec...

    Text Solution

    |

  18. Five bulbs, each rated at 40 W-220 V are used for 5 hours daily on 20 ...

    Text Solution

    |

  19. An electric kettle has two heating coils. When one of them is switched...

    Text Solution

    |

  20. A 10 V storage battery of negligible intenal resistance is connected a...

    Text Solution

    |