Home
Class 12
PHYSICS
The voltmeter shown in the figure reads ...

The voltmeter shown in the figure reads 10V across 40 `omega` . The resistance of voltmeter is

A

10 `omega`

B

20 `omega`

C

40 `omega`

D

infinite

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEST 1

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|21 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|63 Videos

  • TEST 2

    AAKASH INSTITUTE ENGLISH|Exercise Exercise|308 Videos

Similar Questions

Explore conceptually related problems

The voltmeter shown in figure reads 18V across the 50(Omega) resistor. Find the resistance of the voltmeter.

In the circuit figure, the voltmeter reads 30 V. The resistance of the voltmeter is

When an ammter of negligible internal resistance is inserted in series with circuit it reads 1 A When the voltmeter of very large resistance is connected across X it reads 1 V . When the point A and B are shorted by a conducting wire, the voltmeter meausres 10 V across the battery. The internal resistance of the battery is equal to

In Fig. 6.59 , when an ideal voltmetre is connected across 4000 Omega resistance, it reads 30 V . If the voltmeter is connected across 3000 Omega resistance, it will read

The galvanometer shown in the figure reads 3A, while the ideal voltmeter reads 24 volt. The value of R = 7 Omega . The galvanometer resistance is :

Find the reading of ammeter A and voltmeter V shown in the figure assuming the instruments to be ideal

A voltmeter connected in series with a resistance R_1 to a circuit indicates a voltage V_1=198V . When a series resistor R_2=2R_1 is used, the voltmeter indicates as voltage V_2=180V . If the resistance of the voltmeter is R_V=900Omega , then the applied voltage across A and B is

A voltmeter of resistances 400(Omega) is used to measure the potential difference across the 100(Omega) resistor in the circuit shown in figure.(a) What will be the reading of the voltmeter ?(b) What was the potential difference across 100(Omega) before the voltmeter was connected ?

In the circuit, a voltmeter reads 30 V when it is connected across 400 Omega resistance. Calculate what the same voltmeter will read when it is connected across the 300Omega resistance?

A cell of emf 3.4 V and internal resistance 3 Omega is connected to an ammeter having resistance 2Omega and to an external resistance of 100Omega . When a voltmeter is connected across the 100 Omega resistance, the ammeter reading is 0.04 A . Find the voltage reading by the voltmeter and its resistance. Had the voltmeter been an ideal one what would have been its reading?

AAKASH INSTITUTE ENGLISH-TEST 1-EXERCISE
  1. Two identical electric dipoles of dipole moments p are placed as shown...

    Text Solution

    |

  2. Four point charges each of magnitude Q and mass m are moving on circul...

    Text Solution

    |

  3. Positive charge is uniformly distrubuted with volume charge density rh...

    Text Solution

    |

  4. A wire AMB is placed along y-axis having linear charge density lambda ...

    Text Solution

    |

  5. Two identical point charges are placed at A and B. The potential diffe...

    Text Solution

    |

  6. The magnitude electric potential difference between A and B for a give...

    Text Solution

    |

  7. The uniform electric field is along positive y-axis positive x axis ...

    Text Solution

    |

  8. A short electric dipole having dipole moment overline rho is placed a...

    Text Solution

    |

  9. There are three conducting concentric spherical shells having charges ...

    Text Solution

    |

  10. there are two concentric metallic shells of radii R and 2R, if outer ...

    Text Solution

    |

  11. An uncharged metallic solid sphere of radius R is placed at a distance...

    Text Solution

    |

  12. There are two concentric conducting spherical shells of radii 10 cm an...

    Text Solution

    |

  13. A parallel plate capacitor (not connected with battery) have charge Q0...

    Text Solution

    |

  14. An arrangement of five identical capacitors are shown in given circuit...

    Text Solution

    |

  15. A parallel plate capacitor charged to potential difference V0 . The va...

    Text Solution

    |

  16. The area of cross section of a uniform cylindrical conducting wire is ...

    Text Solution

    |

  17. Which one of the following relations is incorrect ? ( Symbols have the...

    Text Solution

    |

  18. If two conducting wires Aand B of same dimensions have electron densit...

    Text Solution

    |

  19. A current carrying conductor is connected with a cell, after some time...

    Text Solution

    |

  20. The voltmeter shown in the figure reads 10V across 40 omega . The resi...

    Text Solution

    |