Home
Class 12
PHYSICS
N identical cells are connected to form ...

N identical cells are connected to form a battery. When the terminals of the battery are joined directly (short - circuited), current I flows in the circuit. To obtain the maximum value of I,

A

all the cells should be joined in sereis

B

all the cells should be joined in parallel

C

two rows of `N//2` cells each should be joined in parallel

D

`sqrt(N)` rows of `sqrt(N)` cells each should be joined in parallel, given that `sqrt(N)` is an integer

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR,ROTATIONAL & SIMPLE HARMONIC MOTION

    D MUKHERJEE|Exercise All Questions|88 Videos

  • ELECTROMAGNETISM

    D MUKHERJEE|Exercise All Questions|91 Videos

Similar Questions

Explore conceptually related problems

N identical calls are cannected to from a battery. When the terminals of the battery are joined directly. When the terminals of the battery are joined directly (short - ciruited), current I flows in the circuit. To obtain the maximum value of I,

Two ideal diodes are connected to a battery as shown in the circuit. The current supplied by the battery is

A battery consists of a varialbe number n of identical cells having internal resistance connected in series. The terminals of the battery are short circuited and the current I measured. Which one of the graph below shows the correct relationship between I and n ?

Three identical bulbs P, Q and R are connected to a battery as shown in the figure. When the circuit is closed.

A capacitor of capacitance C is charged to a potential difference V_(0) and then connected with a resistance and a battery of EMF 3V_(0) such that the positively charged plate of the capacitor is connected to the positive terminal of the battery. The total heat generated in the resistance until the current in the circuit becomes zero is n(CV_(0)^(2)) . the value of n is ________.

A battery has an emf E and internal resistance r. A variable resistance R is connected across the terminals of the battery. Find the value of R such that (a) the current in the circuit id maximum (b) the potential difference across the terminals is maximum.

D MUKHERJEE-ELECTRIC CURRENT IN CONDUCTORS-All Questions
  1. The two ends of a uniform conductor are joined to a cell of e.m.f. E a...

    Text Solution

    |

  2. The emf of a cell is epsilon and its internal resistance is r. its ter...

    Text Solution

    |

  3. N identical cells are connected to form a battery. When the terminals ...

    Text Solution

    |

  4. N identical cells, each emf E and internal resistance r are joined in ...

    Text Solution

    |

  5. n identical cells, each of emf E and internal resistance r, are joined...

    Text Solution

    |

  6. n identical cells, each of emf epsilon and internal resistance r, are ...

    Text Solution

    |

  7. In the circuit shown above, the conductor XY is of negligible resisanc...

    Text Solution

    |

  8. The Wheatstone bridge shown in the above figure is balanced. If the po...

    Text Solution

    |

  9. In the circuti shown above the the voltmeter is of large resistance. T...

    Text Solution

    |

  10. A Galvanometer of range 10 mA has a coli of resistance 1 Omega. To use...

    Text Solution

    |

  11. A milliammeter of range of 10 mA gives full-scale deflection for a cur...

    Text Solution

    |

  12. A, B and C are voltmeters of resistances R, 1.5R and 3R respectively. ...

    Text Solution

    |

  13. An ammeter and a voltmeter are joined in sereis to a cell. Their readi...

    Text Solution

    |

  14. Acell of internal resistance r drives a current through an external re...

    Text Solution

    |

  15. When an electric heater is switched on, the current flowing through it...

    Text Solution

    |

  16. Figure 7.37 shows a network of three resistances. When some potential...

    Text Solution

    |

  17. An electric bulb is designed to draw P(0) power at V(0) voltage. If t...

    Text Solution

    |

  18. An electric bulb rated for 500 watts at 100 volts is used in a circuit...

    Text Solution

    |

  19. Two electric bulbs A and B are designed for the same voltage. Their po...

    Text Solution

    |

  20. n identical light bulbs, each designed to draw P power from a certain ...

    Text Solution

    |