Home
Class 12
PHYSICS
A battery consists of a variable number ...

A battery consists of a variable number n of identical cells (having internal resistance r each ) which are connected in series. The terminals of the battery are short- circuited and the current I is measured. Which of the graphs shows the correct relationship between I and n ?

A

B

C

D

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER OF NEET 2018

    CHHAYA PUBLICATION|Exercise PART-B (SECTION-II)|1 Videos
  • QUESTION PAPER OF NEET 2017

    CHHAYA PUBLICATION|Exercise QUESTION PAPERS OF (NEET) (2017)|39 Videos
  • QUESTION PAPER OF WBCHSE 2019

    CHHAYA PUBLICATION|Exercise PART- B (SECTION-II)|4 Videos

Similar Questions

Explore conceptually related problems

n electric cells of emf e and internal resistance r each are connected in series.What is the emf of this combination.

n electric cells having emf e and internal resistance r each are connected in parallel.What is the emf of this combination?

n identical cells, each of emf e and internal resistance r, are first connected in series and then in parallel. What will be the ratio of the emfs and of the internal resistances of these two cell combinations?

Two identical cells, each of emf E, having negligible internal resistance, are connected in parallel with each other across an external resistance R. What is the current through this resistance?

Two identical cells , each of emf E , having negligible internal resistance ,are connected in parallel with each other across an external resistane R . What is the current through this resistance ?

Four cells, each of emf E and internal resistance r , are connected in series across an external resistance R By mistake one of the cells is connected in reverse. Then the current in the external circuit is

A cell of emf E and internal resistance r is connected to a variable external resistor R. the graph which gives the terminal voltage of cell V with respect to R is

Four cells each of emf E are internal resistance r, are connected In series across an external resistance R. By mistake one of the cells is connected in reverse. Then the current in the external circuit is

CHHAYA PUBLICATION-QUESTION PAPER OF NEET 2018-QUESTIONS
  1. A carbon resistor of (47 pm 4.7)kOmega is to be marked with rings of d...

    Text Solution

    |

  2. A set of n equal resistors, of value R each, are connected in series t...

    Text Solution

    |

  3. A battery consists of a variable number n of identical cells (having i...

    Text Solution

    |

  4. Unpolarised light is incident from air on a plane surface of a materia...

    Text Solution

    |

  5. In young's double slit experiment. The separation d between the slits ...

    Text Solution

    |

  6. An astronomical refracting telescope will have large angular magnifica...

    Text Solution

    |

  7. An electron of mass m with an initial velocity vec(V) = V(0)hat(i) (V(...

    Text Solution

    |

  8. For a radioactive material, half-life is 10 minutes. If initially ther...

    Text Solution

    |

  9. When the light of frequency 2v(0) (where v(0) is threshold frequency )...

    Text Solution

    |

  10. In a p-n junction diode, change in temperatue due to heating

    Text Solution

    |

  11. In the combination of the following gates the output Y can be written ...

    Text Solution

    |

  12. The refractive index of the material of a prism is sqrt(2) and the ang...

    Text Solution

    |

  13. An object is placed at a distance of 40 cm from a concave mirror of fo...

    Text Solution

    |

  14. The magnetic potential energy stored in a certain inductor is 25 mJ, w...

    Text Solution

    |

  15. An electron falls from rest through a vertical distance h in a uniform...

    Text Solution

    |

  16. The electrostatic force between the metal plates of an isolated parall...

    Text Solution

    |

  17. A pendulum is hung from the roof of a sufficiently high building and i...

    Text Solution

    |

  18. A metallic rod of mass per unit length 0.5 kgcdot m^(-1) is lying hori...

    Text Solution

    |

  19. An inductor 20 mH, a capacitor 100 muF and a resistor 50Omega are conn...

    Text Solution

    |

  20. Current sensitivity of a moving coil galvanometer is 5div/mA and its v...

    Text Solution

    |