Home
Class 12
PHYSICS
The emf of a cell E is 15 V as shown in ...


The emf of a cell E is 15 V as shown in the figure with an internal resistance of `0.5Omega`. Then the value of the current drawn from the cell is

A

1A

B

3A

C

2A

D

5A

Text Solution

Verified by Experts

The correct Answer is:
A

using wheatstone bridge principle
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 3|46 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise NCERT Based Questions|13 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 2 C.W|59 Videos
  • COMMUNICATION SYSTEM

    NARAYNA|Exercise Level-II(H.W)|25 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise ASSERTION AND REASON|15 Videos

Similar Questions

Explore conceptually related problems

The resistance of the four arms A, B, C and D of a wheatstone bridge as shown in the figure are 10 Omega , 20 Omega , 30 Omega and 60 Omega respectively . The emf and internal resistance of the cell are 15 V and 2.5 Omega respectively . If the galvanometer resistance is 80 Omega then the net current drawn from the cell will be

In the circuit shown in fig. the cell has emf 10V and internal resistance 1 Omega

Two cells E_(1) and E_(2) in the circuit shown in figure, have emfs of 5 V and 9 V and internal resistance of 0.3 Omega and 1.2 Omega respestivley. Calculate the value of current flowing through the resistance of 3 Omega .

(a) Six lead-acid type of secondary cells, each of emf 2.0 V and internal resistance 0.015 Omega are joined in series to provide a supply to a resistance of 8.5 Omega . What are the currents drawn from the supply, and its terminal voltage? (b) A secondary cell after long use has an emf 1.9 V and a large internal resistance of 380 Omega . What maximum current can be drawn from the cell? Could the cell drive the starting motor of a car?

(a) Six lead-acid type of secondary cells each of emf 2-0 V and internal resistance 0-015Omega are jouned in series to provide a supply to a resistance of 8-5Omega . What are the current drawn from the supply and its terminal voltage ? (b) A secondary cells after long use has an emf of 1-9 V and a large internal resistance of 380 Omega . What maximum current can be drawn from the cell ? Could the cell drive the starting motor of a car ?

NARAYNA-CURRENT ELECTRICITY-Level 2 H.W
  1. Two cells of emf 3V and 5V and internal resistance r(1) and r(2) respe...

    Text Solution

    |

  2. A battery when connected by resistance of 16Omega gives a terminal vo...

    Text Solution

    |

  3. When a resistor of 11 Omega is connected in series with an electric ce...

    Text Solution

    |

  4. Two cells of emf 4 V and 8 V are connected to two resistor 4Omega and ...

    Text Solution

    |

  5. If in the circuit shown below, the internal resistance of the battery ...

    Text Solution

    |

  6. Voltmeter reading in the given circuit is (voltmeter is ideal)

    Text Solution

    |

  7. For a cell the graph between the p.d. (v) across the terminals of the ...

    Text Solution

    |

  8. The minimum number of cells in mixed grouping required to produced a m...

    Text Solution

    |

  9. A battery of emf E and internal resistance r is connected to a resisto...

    Text Solution

    |

  10. The emf of a cell E is 15 V as shown in the figure with an internal re...

    Text Solution

    |

  11. The current I drawn from the 5 volt source will be

    Text Solution

    |

  12. In the given circuit which is a part of closed circuit the current i(1...

    Text Solution

    |

  13. A 5V battery with internal resistance 2Omega and a 2V battery with int...

    Text Solution

    |

  14. When a conductor is connected in the left gap and known resistance in ...

    Text Solution

    |

  15. In a meter bridge experiment when a resistance wire is connected in th...

    Text Solution

    |

  16. Shown in the figure below is a meter- bridge set up will null deflecti...

    Text Solution

    |

  17. A potentiometer wire 10m long has a resistance of 40Omega. It is conne...

    Text Solution

    |

  18. the ratio of potential gradients is 1:2, the resistance of two potenti...

    Text Solution

    |

  19. The length of a wire of a potentiometer is 100 cm, and the e.m.f. of i...

    Text Solution

    |

  20. 1 ohm resistance is in series with a Ammeter which is balanced by 75 c...

    Text Solution

    |