Home
Class 12
PHYSICS
Two batteries, one of emf 18V and intern...

Two batteries, one of emf 18V and internal resistance `2Omega` and the other of emf 12 and internal resistance `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

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 30

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 32

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

Two batteries, one of emf 18 volts and internal resistance 2 Omega and the other fo emf 12 volts and internal resistance 1 Omega , are connected as shown. The voltmeter V will record a reading of

Two batteries one of the emf 3V , internal resistance 1Omega and the other of emf 15 V , internal resistance 2Omega are connected in series with a resistance R as shown. If the potential difference between points a and b is zero, the resistance R in Omega is

Two batteries one of the emf3V, internal resistance In and the other of emf l SV, internal resistance 2Omega are connected in series with a resistanceR as shown. If the potential difference between points a and b is zero, the resistance R is :

Two batteries one of the emf 3V, internal resistance 1 ohm and the other of emf 15 V , internal resistance 2 ohm are connected in series with a resistance R as shown . If the potential difference between a and b is zero the resistance of R in ohm is

A battery of emf 2V and internal resistance 0.5(Omega) is connected across a resistance in 1 second?

Eight cells marked 1 to 8, each of emf 5 V and internal resistance 0.2 Omega are connected as shown. What is the reading of ideal voltmeter ?

A battery of emf 6V internal resistance 5 Omega is joined in parallel with another cell of emf of 10V and internal resistance 1Omega and the combination is used to send current through a resistor of 12Omega . Calculate the current through each battery.

A cell of e.m.f. 2 V and internal resistance 2Omega and an external resistance 18Omega forms closed circuit. The current through the circuit is

NTA MOCK TESTS-NTA NEET SET 31-PHYSICS
  1. Above curie' s temperature ,

    Text Solution

    |

  2. In a meter bridge the balancing length rom the left end (standard resi...

    Text Solution

    |

  3. Two batteries, one of emf 18V and internal resistance 2Omega and the o...

    Text Solution

    |

  4. A battery has an open circuit potential difference 10 V between the t...

    Text Solution

    |

  5. Which of the following operations will not increase the sensitivity of...

    Text Solution

    |

  6. In the circuit shown below, the key K is closed at t = 0 . The current...

    Text Solution

    |

  7. A non - conducting cylindrical rod is inserted within two coils of ins...

    Text Solution

    |

  8. In a series LCR circuit, the voltages across an inductor, a capacitor ...

    Text Solution

    |

  9. At a point in space, the eletric field points toward north. In the reg...

    Text Solution

    |

  10. Two concentric spheres of radii R and r have similar charges with equa...

    Text Solution

    |

  11. If 20 J of work has to be done to move an electric charge of 4 C f...

    Text Solution

    |

  12. The figure shows two diagrams of the same screw gauge . In the first c...

    Text Solution

    |

  13. If the first one - third of q journey is travelled at 20 km h^(-1) , ...

    Text Solution

    |

  14. A body is orbiting very close to the earth surface kinetic energy K.E....

    Text Solution

    |

  15. A planet radiates heat at a rate proportional to the fourth power of i...

    Text Solution

    |

  16. 2kg ice at -20"^(@)C is mixed with 5kg water at 20"^(@)C. Then final a...

    Text Solution

    |

  17. In a flexible balloon 2, moles of SO2 having an initial volume of 1 kL...

    Text Solution

    |

  18. A horizontal overheadpowerline is at height of 4 m from the ground and...

    Text Solution

    |

  19. A straight wire of diameter 0.5 mm carrying a current of 1 A is replac...

    Text Solution

    |

  20. A charge q moves region in a electric field E and the magnetic field B...

    Text Solution

    |