Home
Class 12
PHYSICS
Two resistance wires on joining in paral...

Two resistance wires on joining in parallel the resultant resistance is ohms `(6)/(5)` ohms. One of the wire breaks, the effective resistance is 2 ohms . The resistance of the broken wire is

A

`(3)/(5)Omega`

B

`2Omega`

C

`(6)/(5)Omega`

D

`3Omega`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    DC PANDEY|Exercise B. Assertion and reason|18 Videos
  • CURRENT ELECTRICITY

    DC PANDEY|Exercise Match the columns|4 Videos
  • CURRENT ELECTRICITY

    DC PANDEY|Exercise Check point|70 Videos
  • COMMUNICATION SYSTEM

    DC PANDEY|Exercise Subjective|11 Videos
  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Medical entrances gallery|25 Videos

Similar Questions

Explore conceptually related problems

When two resistance are connected in parallel then the equivalent resistance is (6)/(5)Omega When one of the resistance is removed then the effective resistance is 2Omega . The resistance of the wire removed will be

Two resistances are joined in parallel whose reusltant is 6//8 ohm . One of the resistance wire is broken and the effective resistance becomes 2 Omega . Then the resistance in ohm of the wire that got broken was

Two resistances are joined in parallel whose equivolent resistance is 3/5Omega . One of the resistance wire is broken and the effective resistance becomes 3Omega . The resistance (in ohms) of the wire that got broken was

Two resistances are joined in parallel of which equivalent resistance is 1.2 Omega . One of the resistance wire is broken and the effective resistance becomes 2 Omega , then the resistance of the wire that got broken was :

Resistance Ohm's law || Resistivity

Two resistors are connected (a) in series (b) in parallel The equivalent resistance in the two cases are 9 ohm and 2ohm respectively. Then the resistances of the component resistor are

DC PANDEY-CURRENT ELECTRICITY-Taking it together
  1. A 2 V battery, a 990Omega resistor and a potentiometer of 2 m length, ...

    Text Solution

    |

  2. The electron with change (q=1.6xx10^(-19)C) moves in an orbit of radiu...

    Text Solution

    |

  3. Two resistance wires on joining in parallel the resultant resistance i...

    Text Solution

    |

  4. A potentiometer having the potential gradient of 2 mV//cm is used to m...

    Text Solution

    |

  5. The n rows each containinig m cells in series are joined parallel. Max...

    Text Solution

    |

  6. A 100 V voltmeter of internal resistance 20 k Omega in series with a h...

    Text Solution

    |

  7. A cell supplies a current i(1) trhough a resistnace R(1) and a current...

    Text Solution

    |

  8. Out of five resistance of ROmega each 3 are connected in parallel and ...

    Text Solution

    |

  9. Two batteries A and B each of e.m.f. 2 V are connected in series to a...

    Text Solution

    |

  10. For a cell of e.m.f. 2 V , a balance is obtained for 50 cm of the po...

    Text Solution

    |

  11. AB is a potentiometer wire of length 100 cm and its resistance is 10Om...

    Text Solution

    |

  12. Equivalent resistance between the points A and B (in Omega) .

    Text Solution

    |

  13. In the circuit shown here, what is the value of the unknown resistor R...

    Text Solution

    |

  14. Two wire of the same meta have same length, but their cross-sections a...

    Text Solution

    |

  15. The masses of the three wires of copper are in the ratio 5:3:1 and the...

    Text Solution

    |

  16. If power dissipated in the 9 Omega resistor in the circuit shown is 36...

    Text Solution

    |

  17. The reading of the ammeter in the following figure will be

    Text Solution

    |

  18. A wire of length 100 cm is connected to a cell of emf 2 V and negli...

    Text Solution

    |

  19. Two uniform wires A and B are of the same total metal and have equal m...

    Text Solution

    |

  20. In the given circuit, the resistances are given in ohm. The current t...

    Text Solution

    |