Home
Class 12
PHYSICS
Two batteries , one of e.m.f. 18 V and i...

Two batteries , one of e.m.f. 18 V and internal resistance `2Omega` and the toher of e.m.f. 12 V and internal resistane `1Omega`, are connected as shown
The voltmeter V will record a reading of

A

30 V

B

18 V

C

15 V

D

14 V

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEXTUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|507 Videos

  • STRUCTURE OF NUCLEUS

    MODERN PUBLICATION|Exercise EXERCISE|47 Videos

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos

Similar Questions

Explore conceptually related problems

A 5V battery with internal resistance 2Omega and a 2V battery with internal resistance 1Omega are connected to a 10Omega resistor as shown in the figure.

Find the current drawn from a cell of emf 1V and internal resistance 2/3 Omega connected to the network given adjoint.

A cell of e.m.f. 1.5 V and internal resistance 1Omega sends a current through wires of resistance 6Omega and 12Omega connected in parallel. Find the current through each wire.

A cell of emf 2 V and internal resistance 0.1Ohm is connected to a 20 Ohm resistor .What is the current in the circuit ?

Two batteries of e.m.f. 4V and 8V with internal resistances 1 Omega and 2 Omega are connected in a circuit with a resistance of 9 Omega as shown in figure. The current and potential difference between the points A and B

The internal resistance of a cell of e.m.f. 2 V is 0.1 Omega . It is connected to a resistance of 3.9Omega . The voltage across the cell will be

The internal resistance of a cell of e.m.f. 2 V is 0.1 Omega . It is connected to a resistance of 3.9Omega . The voltage across the cell will be

Two cells each of e.m.f. 1.1 V and internal resistance 2Omega are joined in parallel with a resistance of 10Omega . Find the curent throught the resistance and through each cell.

MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
  1. A current of 2A flows through a 2 ohm resistor when connected across a...

    Text Solution

    |

  2. A student measures the terminal potential difference (V) of a cell (of...

    Text Solution

    |

  3. Two batteries , one of e.m.f. 18 V and internal resistance 2Omega and ...

    Text Solution

    |

  4. A battery is charged at a potential of 15 V for 8 h when the current f...

    Text Solution

    |

  5. Two cells, having the same emf, are connected in series through an ext...

    Text Solution

    |

  6. Kirchoff's first law is based on the law of conservation of .......

    Text Solution

    |

  7. kirchoff's first and second laws are respectively based on law of cons...

    Text Solution

    |

  8. In a Wheatstone's brigde all the four arms have equal resistance R. If...

    Text Solution

    |

  9. The effective resistance between points A and B in the given circuit A...

    Text Solution

    |

  10. For the network shown in the figure , the value of the current I is

    Text Solution

    |

  11. A bridge circuit is shown in the figure. The equivalent resistance bet...

    Text Solution

    |

  12. The resistance of each arm of the wheat stone bridge is 10Omega. A res...

    Text Solution

    |

  13. In the circuit shown, if a conducting wire is connected between the po...

    Text Solution

    |

  14. In a metre bridge, the balancing length form the left end is focused t...

    Text Solution

    |

  15. Three resistance P, Q, R each of 2 Omega and an unknown resistance S f...

    Text Solution

    |

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

    Text Solution

    |

  17. Why voltmeter less accurate in measuring potential difference than a p...

    Text Solution

    |

  18. The resistivity of potentiometer wire is 10^-7 ohm m and its area of c...

    Text Solution

    |

  19. A 6 V battery is connected to the terminals of a 3 m long wire of unif...

    Text Solution

    |

  20. A cell can be balanced against 110 cm and 100 cm of potentiometer wire...

    Text Solution

    |