Home
Class 12
PHYSICS
Statement- 1 : When cells are connected...

Statement- 1 : When cells are connected in series to the external load, the effective emf increase
Statement-2 : The cell help each other in sending the current to the external load

A

Statement - 1: is true ,Statement - 2: is true ,Statement - 2: is correct explanation of statement - 1,

B

Statement - 1: is true ,Statement - 2: is true ,Statement - 2: is not a correct explanation of statement - 1,

C

statement - 1 is correct and statement - 2 is false

D

statement - 1 is false and statement - 2 is true

Text Solution

Verified by Experts

The correct Answer is:
a
Here both the statement - 1 and statement - 2 are correct
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    PRADEEP|Exercise Jee (main and advance)|4 Videos

  • CURRENT ELECTRICITY

    PRADEEP|Exercise Interger Type|2 Videos

  • CURRENT ELECTRICITY

    PRADEEP|Exercise Value based|2 Videos

  • COMMUNICATION SYSTEMS

    PRADEEP|Exercise MODEL TEST PAPER-2|9 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    PRADEEP|Exercise Exercise|191 Videos

Similar Questions

Explore conceptually related problems

Statement- 1 : When cells are connected in parallel to the external load, the effective emf increases Statement-2 : All the cell will be sending the current to the external load in the same direction

When cells are connected in parallel, what will be the effect on (i) current capacity (ii)e.m.f. of the cells

A galvanometer together with an unkonwn resistance in series is connected across two identical cells, each of emf 1.5 V. When the cells are connected inseries, the galvanometer records a current of 1 A and when the cells are connected in parallel, the current =0.6 A. What is the internal resistance of each cell ?

n identical cells each of emf 6 V , connected in series with an external resistor of 5Omega , carry a current of 10A . If two cells are connected wrongly in series with the same external resistor, the current flowing through the cells will be 8A. Find the value of n and r the internal resistance of each cell.

Three cells of emf 3V, 4V, and 6V are connected in parallel, If their internal resistances are 1 Omega , 2 Omega and 1 Omega find the epsilon_(eff), r_(eff) , and the current in the external load R = 1.6 Omega .

12 cells of each emf 2V are connected in series among them, if 3 cells are connected wrongly. Then the effective emf. Of the combination is

Two batteries of different emf and internal resistances connected in series with each other and with an external load resistor. The current reversed, the current becomes 1.0 A. the ratio of the emf of the two batteries is

There are n cells, each of emf E and internal resistance r, connected in series with an external resistance R. One of the cells is wrongly connected, so that it sends current in the opposite direction. The current flowing in the circuit is

Three cells each of emf 1.5 V, after being connected in series with each other, are connected to the ends of a resistance. The current obtained is 1 A. When the cells are connected in parallel across the ends of the same resistance, the current is found to be 0.36 A. Find the external resistance and the internal resistance of each cell.

PRADEEP-CURRENT ELECTRICITY-Exercise
  1. Statement-1 : In a Meter Bridge experiment, null point for an unknown ...

    Text Solution

    |

  2. Statement- 1 : When cells are connected in parallel to the external l...

    Text Solution

    |

  3. Statement- 1 : When cells are connected in series to the external lo...

    Text Solution

    |

  4. Statement -1 : A potentiometer of longer length is used for accurate m...

    Text Solution

    |

  5. Assertion : Electric appliances with metallic body, e.g. heaters, pres...

    Text Solution

    |

  6. Assertion : A laser beam 0.2 W power can drill holes through a metal s...

    Text Solution

    |

  7. Resistance of a given wire is obtained by measuring the current flowin...

    Text Solution

    |

  8. Six cell each of emf E and internal resistance r are connected in seri...

    Text Solution

    |

  9. Five identical lamps , each of resistance 1100 Omega are connected to ...

    Text Solution

    |

  10. Three unequal resistor in parallel are equivalent to a resistance 1Ome...

    Text Solution

    |

  11. In an experiment to measure the internal resistance of a cell by a pot...

    Text Solution

    |

  12. The magnitude and direction of the current in the circuit shown will b...

    Text Solution

    |

  13. An unknown resistance R(1) is connected is series with a resistance of...

    Text Solution

    |

  14. A uniform wire resistance 20 Omega having resistance 1 Omega is ben...

    Text Solution

    |

  15. The drift velocity of electron in a metal conductor under effective o...

    Text Solution

    |

  16. The drift velocity of electron in a metal conductor under effective o...

    Text Solution

    |

  17. Resistivity of the meterial in independent of

    Text Solution

    |

  18. The SI unit of cunductivity is

    Text Solution

    |

  19. The resistance of the given carbon resistor is (24xx10^6+-5%)Omega. Wh...

    Text Solution

    |

  20. The electric field in the copper wire of area of cross - section 2mm^...

    Text Solution

    |