Home
Class 12
PHYSICS
For same current in series and parallel ...

For same current in series and parallel then r = ?

A

2

B

6

C

8

D

10

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS SECTION B|30 Videos

  • JEE MAIN 2023

    JEE MAINS PREVIOUS YEAR|Exercise Question|455 Videos

Similar Questions

Explore conceptually related problems

Inductance in series and parallel

Five identical cells each of internal resistance 1 Omega and emf 5V are connected in series and in parallel with an external resistance 'R' . For what value of 'R', current in series and parallel combination will remain the same ?

If two wires having resistance R and 2 R . Both joined in series and in parallel then ratio of heat generated in this situation, applying the same voltage,

Two batteries each of E and internal resistance r are connected turen by turn in series and in parallel, and areused to find current in an external resistance R . If the current in series is equal to that in parallel, the internal resistance of each battery is

Under what condition will the current in a wire be the same when connected in series and in parallel on n identical cells each having internal resistance r and external resistance R?

JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
  1. A ball can be thrown maximum of 100m horizontally. The maximum height ...

    Text Solution

    |

  2. Two blocks are connected with help of a string as shown. If coefficien...

    Text Solution

    |

  3. For same current in series and parallel then r = ?

    Text Solution

    |

  4. Half life is 5years. How much time for nucleus to become 6.25%?

    Text Solution

    |

  5. If height of a radio station tower is h and cover the area A. Then the...

    Text Solution

    |

  6. An object starts moving with constant acceleration 'a'. Distance trave...

    Text Solution

    |

  7. A particle is released from rest from height of y0 from ground as show...

    Text Solution

    |

  8. The speed of light in media M1 and M2 are 1.5 xx 10^8 m//s and 2.0 xx ...

    Text Solution

    |

  9. A gas expands from V1 to V2 along three different processes i.e. isoth...

    Text Solution

    |

  10. Moment of inertia of uniform rod about an axis perpendicular to it and...

    Text Solution

    |

  11. Two infinitely long conductors carry same current are coplanar with a ...

    Text Solution

    |

  12. In circuit shown, when a voltmeter of resistance 2000ohm is connected ...

    Text Solution

    |

  13. A simple pendulum starts oscillating as per equation x = A cos (pi t +...

    Text Solution

    |

  14. Two point charges of magnitude Q each are fixed at A and B. At what di...

    Text Solution

    |

  15. Calculate value of expression (0.002858 xx 0.112)/0.5702 and mark the ...

    Text Solution

    |

  16. A block of mass m is kept inside a box. The box is falling down with a...

    Text Solution

    |

  17. In the shown RC discharging circuit switch S is closed at t = 0. Two c...

    Text Solution

    |

  18. If units of length and force increased 4 times the unit of energy will...

    Text Solution

    |

  19. A satellite revolving around earth has time period of 7hrs. if the rad...

    Text Solution

    |

  20. In the decay process, find the atomic number and mass number of elemen...

    Text Solution

    |