Home
Class 12
PHYSICS
A series parallel combination battery co...

A series parallel combination battery consisting of a large number `N = 300` of identical cells, each will an inernal resistance `r = 0.3 Omega`, is loaded with an external resistances `R = 10 Omega`. Find the number `n` of parallel groups consisting of an equal number of cells connected in series, at which the external resistance generates the highest thermal power.

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exercise-2 (Part-3)|22 Videos

  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exercise-2 (Part-4)|12 Videos

  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exercise-2 (Part-1)|25 Videos

  • COMMUNICATION SYSTEMS

    RESONANCE|Exercise Exercise 3|13 Videos

  • DAILY PRACTICE PROBLEM

    RESONANCE|Exercise DPP.No.71|1 Videos

Similar Questions

Explore conceptually related problems

A series-parallel combination battery consists of 300 identical cells, each with an internal resistance 0.3 Omega . It is connected to the external resistance 10 Omega . Find the number of parallel goups cosisting of equal number of cells connected in series, at which the external resistance generated the higher thermal power.

Two identical cells whether connected in parallel or in series gives the same current, when connected to an external resistance 1.5Omega . Find the value of internal resistance of each cell.

An AC generator of 220 V having internal resistance r=10 Omega and external resistance R=100 Omega . What is the power developed in the external circuit?

Four cell each of emf 2 V and internal resistance 1 ohm are connected n parallel with an external resistance of 6 ohm. The current in the external resistance is

Two identical cells , whether joined together in series or in parallel give the same current, when connected to external resistance of 1 Omega . Find the internal resistance of each cell.

n identical cells each of e.m.f. E and internal resistance r are connected in series. An external resistance R is connected in series to this combination. The current through R is

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

RESONANCE-CURRENT ELECTRICITY-Exercise-2 (Part-2)
  1. The current density in a cylindrical conductor of radius R varies acco...

    Text Solution

    |

  2. 1 meter long metallic wire is broken into two unequal parts P and Q. ...

    Text Solution

    |

  3. In the figur shown, the thermal power generated in 'Y' is maximum when...

    Text Solution

    |

  4. A series parallel combination battery consisting of a large number N ...

    Text Solution

    |

  5. The internal resistance of an accumulator battery of emf 6V is 10(Omeg...

    Text Solution

    |

  6. A hemispherical network of radius a is made by using a conducting wire...

    Text Solution

    |

  7. Find the resistance in ohm of a wire frame shaped as a cube (figure) w...

    Text Solution

    |

  8. The figure is made of a uniform wire and represnts a regular five poin...

    Text Solution

    |

  9. In the circuit shown in fig. E(1)=3" volt",E(2)=2" volt",E(3)=1" vole ...

    Text Solution

    |

  10. The resistance of each resisor in the circuit diagram shown in figure ...

    Text Solution

    |

  11. In the circuit shown in figure 16, E, F, G and H are cells of emf 2...

    Text Solution

    |

  12. If the galvanometer in the circuit of figure reads zero, calculate the...

    Text Solution

    |

  13. Shown an arrangement to measure the emf (epsilon)and internal resistan...

    Text Solution

    |

  14. In the circuit shown, reading of the voltmeter connected across 400 Om...

    Text Solution

    |

  15. In the given circuit the ammeter A(1)" and "A(2) are ideal and the amm...

    Text Solution

    |

  16. Two resistors, 400 Omega, " and "800 Omega are connected in series wit...

    Text Solution

    |