Home
Class 12
PHYSICS
The potential difference across the term...

The potential difference across the terminals of a battery is 50 V when 11 A is drawn and 60V when 1A is drawn . The emf and the internal resistance of the battery are

A

61 V, 1 ohm

B

62 V, 2 ohm

C

63 V, 1 ohm

D

64 V, 2 ohm

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

The potential differnce across the terminals of a 3 V battery is 3.6 V, when it is being charged by a current of 1.5 A. What is the internal resitance of the battery?

The potential difference across the terminals of a battery is 8.4 V when there is a current of 1.50 A in the battery from the negative to the positive terminal. When the current is 3.50 A in, the reverse direction, the potential difference becomes 9.4 V. The internal resistance and e.m.f. battery are:

A standerd cell emf 1.08 V is balance by the potential difference across 91 cm of a meter long wire applied by a cell of emf 2 V through a series resistor of resistance 2 Omega. The internal resistance of the cell is zero. Find the resistance per unit length of the potentiometer wire.

For a Cell, the terminal potential difference is 2.2 V when circuit is open and reduces to 1.8 V, when cell is connected to a resistance R = 5Omega . The internal resistance of cell (r ) is

A current of 2A flows through a 2 ohm resistor when connected across a battery , the same battery supplies a current of 0.5A when connected across a 9 ohm resistor . the internal resistance of the battery is

In a LCR series circuit, the potential difference between the terminals of the inductance is 60 V, between the terminals of the capacitor is 30 V nd that across the resistance is 40 V. Then, then supply voltage will be equal to

When a resistor of 20 Omega is connected in series with a battery, the current is 0.5 A. when a resistor of 10 Omega is connected the current becomes 0.8 A. calculate the emf and the internal resistance of the battery.

A storage battery of a car has e.m.f of 12 V. The maximum current that can be drawn from the battery is 24A. Calculate the internal resistance of the battery.

A cell of e.m.f E is connected across a resistance r. The potential differene between the terminals of the cell is found to be V. The internal resistance fo the cell must be

A circuit is shown in the diagram Find the potential differnce across the terminals of the battery.

MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
  1. The internal resistance of a cell of e.m.f. 2 V is 0.1 Omega. It is co...

    Text Solution

    |

  2. A battery of e.m.f. 10V and internal resistance 3 Omega is connected t...

    Text Solution

    |

  3. The potential difference across the terminals of a battery is 50 V whe...

    Text Solution

    |

  4. The terminal voltage of a cell emf E on short circuiting will be

    Text Solution

    |

  5. For driving current of 2A for 6 min in a circuit, 1,000 J of work is t...

    Text Solution

    |

  6. Two batteries of e.m.f. 4V and 8V with internal resistances 1 Omega an...

    Text Solution

    |

  7. To draw maximum current from a combination of cells, how should the ce...

    Text Solution

    |

  8. Current provided by a battery is maximum, when

    Text Solution

    |

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

    Text Solution

    |

  10. The sensitivity of the potentiometer can be increased by

    Text Solution

    |

  11. The potentiometer consists of a wire of length 4 m and resistance of 1...

    Text Solution

    |

  12. In a potentiometer of one metre length, an unknown emf voltage source ...

    Text Solution

    |

  13. A 2Omega resistor is connected in series with R Omega resistor. This c...

    Text Solution

    |

  14. In Bohr's model of hydrogen atom, the electron moves around the nucleu...

    Text Solution

    |

  15. The potential difference applied to an X-ray tube is 5 kV and the curr...

    Text Solution

    |

  16. A strip of copper another of germanium are cooled from room temperatur...

    Text Solution

    |

  17. The current I and voltage V curves for a given metallic wire at two di...

    Text Solution

    |

  18. The temperature coefficient of resistance of a wire is 0.00125 per deg...

    Text Solution

    |

  19. How many calories of heat will approximately be developed in a 210 W e...

    Text Solution

    |

  20. A 25 W and a 100 W bulbs are joined in parallel and connected to A.C. ...

    Text Solution

    |