Home
Class 12
PHYSICS
In the following circuit, a voltmeter V ...

In the following circuit, a voltmeter `V` is connected across a lamp `L`. What change would occure in voltmeter reading if the resistance `R` is reduced in value?

A

Increases

B

Decreases

C

Remains same

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 43

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • NTA JEE MOCK TEST 45

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

In the following circuit reading of voltmeter V is

In the circuit shown in Fig.a voltage V is connected across lamp L. What changes would occur at lamp and the voltage V, if the resistance R is reduced in value?

In the given circuit diagram, a voltmeter 'V' is connected across a lamp 'L'. How would (i) the brightness of the lamp and (ii) voltmeter reading 'V' be affected, if the value of resistance 'R' is decreased ? Justify your answer.

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?

In the given circuit, an ideal voltmeter connected across the 10Omega resistance reads 2V. The internal resistance r, of each cell is:

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

In the given circuit, the voltmeter reads SV. The resistance of the voltmeter is :

In the series L-C-R circuit , the voltmeter and ammeter readings are

NTA MOCK TESTS-NTA JEE MOCK TEST 44-PHYSICS
  1. A non-conducting ring of radius 0.5 m carries a total charge of 1.11xx...

    Text Solution

    |

  2. If gravitational field due to uniform thin hemispherical shell at poin...

    Text Solution

    |

  3. Three discs, A, B and C having radii 2m, 4m and 6m respectively are co...

    Text Solution

    |

  4. A current carrying wire is placed in the grooves of an insulating semi...

    Text Solution

    |

  5. A particle is projected at time t=0 from a point P on the ground with ...

    Text Solution

    |

  6. Which, among the following, is a correct statement?

    Text Solution

    |

  7. Light of wavelength 4000Å is allowed to fall on a metal surface having...

    Text Solution

    |

  8. The workdone in increasing the size of a soap film from 10 cm xx 6 cm...

    Text Solution

    |

  9. The diagram shows a spherical surface which separates two media of ref...

    Text Solution

    |

  10. A uniform rod AB of length l and mass m is free to rotate abou...

    Text Solution

    |

  11. In the following circuit, a voltmeter V is connected across a lamp L. ...

    Text Solution

    |

  12. Three rods of equal of length are joined to from an equilateral triang...

    Text Solution

    |

  13. Dimensions of permeability are

    Text Solution

    |

  14. In the arrangement shown in Fig., slits S(1) and S(4)are having a vari...

    Text Solution

    |

  15. Astronomers have observed that light coming from far away starts do no...

    Text Solution

    |

  16. A wire of length L and 3 identical cells of negligible internal resist...

    Text Solution

    |

  17. A boy weighing 50kg eats bananas. The energy constant of banan is 100c...

    Text Solution

    |

  18. A galvanometer of resistance 25Omega is connected to a battery of 2V a...

    Text Solution

    |

  19. One - fourth length of a uniform rod is placed on a rough horizontal s...

    Text Solution

    |

  20. Two particles P(1) and P(2) are performing SHM along the same line abo...

    Text Solution

    |