Home
Class 12
PHYSICS
A voltmeter of resistance R1 and an amme...

A voltmeter of resistance `R_1` and an ammeter of resistance `R_2` are connected in series across a battery oif negligible internal resistance. When as resistance `R` is connected in parallel to voltmeter reading of ammeter increases three times white that of voltmeter reduces to one third. Find `R_1` and `R_2` in terms of `R`.

Promotional Banner

Topper's Solved these Questions

  • CAPACITANCE

    PHYSICS GALAXY - ASHISH ARORA|Exercise UNSOLVED NUMERICAL PROBLEMS|40 Videos
  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs|33 Videos

Similar Questions

Explore conceptually related problems

A voltmeter of resistance R_(V) and an ammeter of resistance R_(A) are connected in series across a battery of emf E and of negligible internal resistance . When a resistance R is connected in parallel to volmeter , reading of ammeter increases to three times while that of volmeter reduces to one - third. Calculate R_(A)andR_(V) in terms of R.

An ammeter and a voltmeter of resistance R are connected in series to an electric cell of negligible internal resistance . Their readings are A and V respectively. If another resistance R is connected in parallel with the voltmeter , then

An ammeter and a voltmeter of resistance R connected in seires to an electric cell of negligible internal resistance. Their readings are A and V respecitvely. If another resistance R is connected in parallel with the voltmeter

An ammeter of zero resistance and a volt meter are connected in series to a battery of emf 6.0 volt and certain internal resistance. When a resistance R is connected in parallel with the voltmeter the readings of the voltmeter becomes half of its initial reading and the reading of the ammeter becomes 2 times to its initial reading (before R is connected). Find the voltmeter reading in volt after the connection of the resistance.

An ammeter, voltmeter and a resistor are connected in series to a cell and the readings are noted as I and V. If another resistor R is connected in parallel with a voltmeter, then

In the circuit shows in Fig. 6.42 , resistors X and Y , each with resistance R , are connected to a 6 V battery of negligible internal resistance. A voltmetre, also of resistance R , is connected across Y . What is the reading of the voltmeter?

PHYSICS GALAXY - ASHISH ARORA-CURRENT ELECTRICITY-All Questions
  1. Figure-3.287 shows a potentiometer with length of wire Im and resistan...

    Text Solution

    |

  2. The potentiometer wire AB is 600 cm long. a. At what distance from ...

    Text Solution

    |

  3. A voltmeter of resistance R1 and an ammeter of resistance R2 are conne...

    Text Solution

    |

  4. A straight copper-wire of length 100m and cross-sectional area 1.0mm^(...

    Text Solution

    |

  5. Two cylindrical conductors with equal cross-sections and different ...

    Text Solution

    |

  6. A copper wire carries a current of density f = 1.0 A//mm^(2). Assumi...

    Text Solution

    |

  7. In a long wire of square cross-section of side length l, current densi...

    Text Solution

    |

  8. A gas is ionized in the immeiate vicinity of the surface of plane e...

    Text Solution

    |

  9. A current of 16 A is made to pass through a conductor in which the num...

    Text Solution

    |

  10. Consider a conductor of length 40 cm where a potential difference of 1...

    Text Solution

    |

  11. The air between two closely separated large plates in a scalted glass ...

    Text Solution

    |

  12. Two points A and B are maintained at a constant potential difference o...

    Text Solution

    |

  13. Find the equivalent Resistance between A and B

    Text Solution

    |

  14. Find out the magnitude of resistance X in the circuit shown in figure,...

    Text Solution

    |

  15. In the circuit shown in fig. calculate the following: a. Potential d...

    Text Solution

    |

  16. In the circuit shown in figure the reading of ammeter is the same with...

    Text Solution

    |

  17. For the following diagram the galvanometer shows zero deflection then ...

    Text Solution

    |

  18. Find the equivalent resistance of the circuit shown in figure-3.64 acr...

    Text Solution

    |

  19. Find current in the branch CD of the circuit

    Text Solution

    |

  20. In the network of resistances shown in figure-3.88. ABCDA is a uniform...

    Text Solution

    |