Home
Class 12
PHYSICS
In the circuit shown here, what is the v...

In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the circuit between points P and Q is also equal to R

A

`3Omega`

B

`sqrt(39)Omega`

C

`sqrt(69)Omega`

D

`10 Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
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

The resistance of the following circuit between P and Q is

The resistance of the following circuit between P and Q is

In the circuit shown in figure, the value of R is

In the circuit shown, the value of each resistance is r , then equivalent resistance of circuit between points A and B will be

What is the total resistance across A and B in the circuit shown in

What is the value of the resistance R_(1) in the following circuit ?

In the circuit shown in the figure, the value of maximum rate of heat production in resistance R is

In the circuit shown below, the ammeter reading is zero. Then, the value of the resistance R is

DC PANDEY-CURRENT ELECTRICITY-Taking it together
  1. AB is a potentiometer wire of length 100 cm and its resistance is 10Om...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  11. The current I drawn from the 5 volt source will be

    Text Solution

    |

  12. The current in the given circuit is

    Text Solution

    |

  13. Two resistors 400Omega and 800Omega are connected in series with a 6V ...

    Text Solution

    |

  14. A battery of emf E has an internal resistance r. A variable resistacne...

    Text Solution

    |

  15. Two resistances are connected in the two gaps of a meter bridge. The b...

    Text Solution

    |

  16. A battery of four cells in series, each having an emf of 1.14 V and an...

    Text Solution

    |

  17. The length of a wire of a potentiometer is 100 cm, and the e.m.f. of i...

    Text Solution

    |

  18. When a resistance of 100Omega is connected in series with a galvanomet...

    Text Solution

    |

  19. Two cells, having the same emf, are connected in series through an ext...

    Text Solution

    |

  20. Two wires of the same material but of different diameters carry the sa...

    Text Solution

    |