Home
Class 12
PHYSICS
A 50V battery is connected across a 10 o...

A `50V` battery is connected across a 10 ohm resistor. The current is `4.5` amperes. The internal resistance of the battery is

A

`10Omega`

B

`0.5Omega`

C

`1.1Omega`

D

`5Omega`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    TARGET PUBLICATION|Exercise Competitive Thinking|48 Videos
  • CURRENT ELECTRICITY

    TARGET PUBLICATION|Exercise Evaluation Test|6 Videos
  • CURRENT ELECTRICITY

    TARGET PUBLICATION|Exercise Evaluation Test|6 Videos
  • CIRCULAR MOTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|11 Videos
  • ELASTICITY

    TARGET PUBLICATION|Exercise Evaluation test|14 Videos

Similar Questions

Explore conceptually related problems

When a battery connected across a resistor of 16 ohm , the voltage across the resistor is 12V. When the same battery is connected across a resistor of 10 ohm , voltage across it is 11V. The internal resistance of the battery in ohm is

When a battery connected across a resistor of 16Omega the voltage across the resistor is 12 V. When the same battery is connected across a resistor of 10Omega voltage. Across it is 11 V. The internal resistance of the battery in ohms is

When a battery connected across a resistor of 16 Omega , the voltage across the resistor is 12 V. When the same battery is connected across a resistor of 10 Omega , voltage across it is 11 V. The internal resistance of the battery (in ohm) is

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

A galvanometer, together with an unknown resistance in series, is connected across two identical batteries of each 1.5 V . When the batteries are connected in series,the galvanometer records a current of 1 A , and when the batteries are connected in parallel, the current is 0.6 A . In this case, the internal resistance of the battery is 1//'**' Omega . What is the value of '**'?

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

TARGET PUBLICATION-CURRENT ELECTRICITY -Critical Thinking
  1. A 50V battery is connected across a 10 ohm resistor. The current is 4....

    Text Solution

    |

  2. Four resistors P, Q, R and S having resistances 3Omega,3Omega,4Omega ...

    Text Solution

    |

  3. At which point will the null point be obtained on a metrebridge if the...

    Text Solution

    |

  4. In a meter-bridge experiment with a resistance R(1) in left gap and a...

    Text Solution

    |

  5. Two resistances are connected in the two gaps of a meter bridge. The b...

    Text Solution

    |

  6. The material of wire of potentiometer is

    Text Solution

    |

  7. A potentiometer wire is 10 m long and has a resistance of 2 Omega//"m...

    Text Solution

    |

  8. A potentiometer wire has a resistivity of 10^(9)Omega cm and area of c...

    Text Solution

    |

  9. A battery of e.m.f. 2 V and internal resistance 2Omega is connected to...

    Text Solution

    |

  10. A resistance of 990Omega and a cell of emf 2 V is connected in series ...

    Text Solution

    |

  11. An accumulator of 5 volt is connected through a resistance of 40Omega ...

    Text Solution

    |

  12. The resistance per unit length of a wire is 1Omega//"m". A Leclanche c...

    Text Solution

    |

  13. The e.m.f. E of the battery is balanced by p. d. across 75 cm of a pot...

    Text Solution

    |

  14. A potentiometer having a wire of length 10 m and resistance 20 Omega i...

    Text Solution

    |

  15. When two cells of e.m.f. 1.5 V and 1.1 V connected in series are bala...

    Text Solution

    |

  16. When a balance point is obtained in a potentiometer for finding the in...

    Text Solution

    |

  17. With resistances P and Q in the left and right gaps of a metre bridge...

    Text Solution

    |

  18. A cell of e.m.f. 2 V and negligible internal resistance is connected i...

    Text Solution

    |

  19. An accumulator of 4 V is connected through a resistance of 30Omega to ...

    Text Solution

    |

  20. A potentiometer has uniform potential gradient. The specific resistanc...

    Text Solution

    |