Home
Class 12
PHYSICS
Five cells, each of emf E, are joined in...

Five cells, each of emf E, are joined in parallel. The total emf of the combination is

A

5E

B

`(E )/(5)`

C

E

D

`(5E)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    FULL MARKS|Exercise Additional Questions Solved (Fill in the blanks)|39 Videos
  • CURRENT ELECTRICITY

    FULL MARKS|Exercise Additional Questions Solved (Match the following)|4 Videos
  • CURRENT ELECTRICITY

    FULL MARKS|Exercise TEXTBOOK EVALUATION (Numerical Problems)|15 Videos
  • COMMUNICATION SYSTEMS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS  (Additional problems)|3 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    FULL MARKS|Exercise ADDITIONAL QUESTIONS -( ADDITIONAL NUMERICAL PROBLEMS : )|10 Videos

Similar Questions

Explore conceptually related problems

Three resistance, each of 1Omega , are joined in parallel. Three such combinations are put in series. The resultant resistance is

a.Three resistors 2Omega,4Omega and 5 Omega are combined in parallel. What is the total resis- tance of the combination? b. If the combination is connected to a battery of emf 20 V and negligible internal resistance, determine the current through each resistor and the total current drawn from the battery.

Sixteen cells each of emf 3 V are connected in series and kept in a box: External the combination shows an emf of 12 V. Calculate the number of cells reversed in the connection.

Two capacitor each having capacitance C and breakdown voltage V are joined in parallel,the capacitance and the breakdown voltage of the combination will be

(a)Three resistors 1 Omega ,2 Omega and 3 Omega are combined in series. What is the total resis- tance of the combination? (b). If the combination is connected to a battery of emf 12 V and negligible internal resistance, obtain the potential drop across each resistor.

FULL MARKS-CURRENT ELECTRICITY-Additional Questions Solved (Choose the correct answer)
  1. Kirchoff'slaw i.e., sum i=0, at a junction, deals with the conservatio...

    Text Solution

    |

  2. The resistance of a material increases with temperature. It is a

    Text Solution

    |

  3. Five cells, each of emf E, are joined in parallel. The total emf of th...

    Text Solution

    |

  4. A carbon resistance has colour bands in order yellow, brown, red. Its ...

    Text Solution

    |

  5. What is the value of conductivity of a semiconductor at absolute zero ...

    Text Solution

    |

  6. Explain the determination of the internal resistance of the cell using...

    Text Solution

    |

  7. Carriers of electric current in superconductors are

    Text Solution

    |

  8. A. Potentiometer measures the potential difference more accurately tha...

    Text Solution

    |

  9. What is meant by electromotive force ?

    Text Solution

    |

  10. The capacitance of a pure capacitor is 1 farad. In DC circuit, the eff...

    Text Solution

    |

  11. The resistance of an ideal ammeter is .

    Text Solution

    |

  12. A milliammeter of range 10 mA has a coil of resistance 1Omega. To use ...

    Text Solution

    |

  13. A battery of emf 10 V and internal resistance 3Omega is connected to a...

    Text Solution

    |

  14. Good resistance coils are made of

    Text Solution

    |

  15. A wire of resistance R is stretched to three times its original length...

    Text Solution

    |

  16. n resistances, each of r Omega, when connected in parallel give an equ...

    Text Solution

    |

  17. When a wire of uniform cross-section, having resistance R, is bent int...

    Text Solution

    |

  18. A steady current is set up in a metallic wire of non uniform cross-sec...

    Text Solution

    |

  19. Ohm's Law is not obeyed by

    Text Solution

    |

  20. Which of the following has negative temperature coefficient of resista...

    Text Solution

    |