Home
Class 12
PHYSICS
In the figure given the value of X resis...

In the figure given the value of X resistance will be, when the p.d. between `B` and `D` is zero

A

`4 ohm`

B

`6 ohm`

C

`8 ohm`

D

`9 ohm`

Text Solution

Verified by Experts

The correct Answer is:
C
(c ) Potential difference between `B` and `D` is zero, it means Wheatstone bridge is in balanced condition
So `(P)/(Q) = (R )/(S) implies (21)/(3 + (8X)/((8 + X))) = (18)/(6) implies 8 Omega`
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    A2Z|Exercise R-C Circuits|17 Videos

  • CURRENT ELECTRICITY

    A2Z|Exercise Ammeter And Voltmeter|41 Videos

  • CURRENT ELECTRICITY

    A2Z|Exercise Combination And Resistivity|38 Videos

  • ATOMIC PHYSICS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

In the arrangement of resistances shown in figure. Find the value of unknown resistance X if the potential difference between B and D is zero.

In the figure, the equivalent resistance between A and B is-

In the following circuit diagram the value of resistance X for the potential difference between B and D is zero:-

In the figure, the value of resistors to be connected between C and D so that the resistance of the entire circuit between A and B does not change with the number of elemertnry set used is

In the figure, the value of resistors to be connected between C and D so that the resistance of the entire circuit between A and B does not change with the number of elementary sets used is

In the given figure, the equivalent resistance between the points A and B is

For what value of unknown resistance X , the potential difference between B and D will be zero in the circuit shown in the figure ?

In the given figure what is the equivalent resistance between two points A and B ?

A2Z-CURRENT ELECTRICITY-Kircoff'S Laws And Simple Circuits
  1. A uniform wire of resistance 9 Omega is cut into 3 equal parts. They a...

    Text Solution

    |

  2. In the circuit shown in the adjoining figure, the current between B an...

    Text Solution

    |

  3. In the figure given the value of X resistance will be, when the p.d. b...

    Text Solution

    |

  4. For what value of unknown resistance X, the potential difference betwe...

    Text Solution

    |

  5. In circuit shown below, the resistance are given in ohms and the batte...

    Text Solution

    |

  6. Two batteries of e.m.f. 4V and 8V with internal resistances 1 Omega an...

    Text Solution

    |

  7. For what value of R (in Omega) in circuit, current through 4 Omega res...

    Text Solution

    |

  8. Find current in the branch CD of the circuit

    Text Solution

    |

  9. In the circuit shown, calculate the current through 6V battery

    Text Solution

    |

  10. Find the value of R for which no current will flow through 5V battery

    Text Solution

    |

  11. A wire frame in the from of a tetrahedron ABCD is connected to a batte...

    Text Solution

    |

  12. In the circuit of adjoining figure the current through 12 Omega resist...

    Text Solution

    |

  13. A circuit is arranged as shown. Then, the current from A to B is

    Text Solution

    |

  14. In the circuit shown below, the current that flows from a to b when sw...

    Text Solution

    |

  15. Consider the circuit shown in the figure. Both the circuits are taking...

    Text Solution

    |

  16. In the circuit shown in figure potential difference between point A an...

    Text Solution

    |

  17. A cell of emf E has an internal resistance r and is connected to rheos...

    Text Solution

    |

  18. In the figure shown the current flowing 2 R is:

    Text Solution

    |

  19. In the given network, the potential at point O is (Given VO = V(s) = 1...

    Text Solution

    |

  20. For the circuit shown, a shorting wire of negligible resistance is add...

    Text Solution

    |