Home
Class 12
PHYSICS
Two wires made of same material have the...

Two wires made of same material have their lengths are in the ratio `1:2` and their masses in the ratio `3:16` the ratio of resisstance of law wires is

A

`(3)/(4)`

B

`1:2`

C

`2:1`

D

`4:3`

Text Solution

Verified by Experts

The correct Answer is:
D

`Rprop(l^(2))/(m)`
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 1 H.W|63 Videos
  • CURRENT ELECTRICITY

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

    NARAYNA|Exercise C.U.Q|105 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

Two wires made of same material have lengths in the ratio 1:2 and their volumes in the same ratio. The ratio of their resistances is

Two wires A and B of the same material have their lengths in the ratio 1 : 5 and diameters in the ratio 3 : 2 . If the resistance of the wire B is 180 Omega , find the resistance of the wire A.

Two wires made of same material have their electrical resistances in the ratio 1:4 if their lengths are in the ratio 1:2 , the ratio of their masses is

Two wires A and B of the same material have their lengths in the ratio 5: 3 and diameter in the radius 2:3 . If the resistance of wire A is 15 Omega . find the resistance of wire B

Two pieces of wire, A and B of the same material have their lengths in the ratio 1:3 and their diameters are in the ratio 2:1 . If they are stretched by the same force, their elongations will be in the ratio

Two wires 'A' and 'B' of the same material have their lengths in the ratio 1 : 2 and radii in the ratio 2 : 1 The two wires are connected in parallel across a battery. The ratio of the heat produced in 'A' to the heat produced in 'B' for the same time is

Two wires A and B are of the same material. Their lengths are in the ratio 1 : 2 and the diameter are in the ratio 2 : 1. If they are pulled by the same force, then increase in length will be in the ratio

The lengths of two wires of same material are in the ratio 1:2, their tensions are in the ratio 1:2 and their diameters are in the ratio 1:3. the ratio of the notes they emits when sounded together by the same source is

NARAYNA-CURRENT ELECTRICITY-Level 1 C.W
  1. Four wires made of same material have different lengths and radii, the...

    Text Solution

    |

  2. Two different wires have specific resistivities, lengths,a re of cross...

    Text Solution

    |

  3. Two wires made of same material have their lengths are in the ratio 1:...

    Text Solution

    |

  4. A wire of resistance 18 ohm is drawn until its radius reduce (1)/(2)th...

    Text Solution

    |

  5. A piece of wire of resistance 4Omega is bent through 180^(@) at its mi...

    Text Solution

    |

  6. Given three equal resistors, how many different combination of all the...

    Text Solution

    |

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

    Text Solution

    |

  8. How many cells each marked (6V-12A) should be connected in mixed group...

    Text Solution

    |

  9. The resistance of the series combination of two resistances is S. When...

    Text Solution

    |

  10. A 25 watt, 220 volt bulb and a 100 watt, 220 volt bulb are connected i...

    Text Solution

    |

  11. There are 5 tube-lights each of 40 W in a house. These are used on an ...

    Text Solution

    |

  12. Three equal resistor connected in series across a source of enf toget...

    Text Solution

    |

  13. Time taken by a 836 W heater to heat one litre of water from 10^@C to ...

    Text Solution

    |

  14. A lamp of 600W-240V is connected to 220 V mains. Its resistance is

    Text Solution

    |

  15. A 200 W- 200 V lamp is connected to 250 V mains.it power consuption is

    Text Solution

    |

  16. If the current in a heater increases by 10% the percentage change in t...

    Text Solution

    |

  17. The power of a heating coil is P. it is cut into two equal parts. The ...

    Text Solution

    |

  18. In a house there are four bulbs each of 50W and 5 fans each of 60W. If...

    Text Solution

    |

  19. An electric kettle has two coils of same power . When one coil is swit...

    Text Solution

    |

  20. A resistance coil of 60 omega is immersed in 42 kg of water. A current...

    Text Solution

    |