Home
Class 12
PHYSICS
The Kirchhoff's first law (Sigmai = 0) a...

The Kirchhoff's first law `(Sigmai = 0)` and second law `(SigmaiR = SigmaE)`, where the symbols have their usual meanings, are respectively based on

A

conservation of momentum, conservation of charge

B

conservation of charge, conservation of energy

C

conservation of charge, conservation of momentum

D

conservation of energy, conscrvation of charge

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    MOTION|Exercise EXAMPLE|79 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -1 (SECTION -A Definition of Current , Current Density , Drift Velocity )|8 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -3 SECTION -A (PREVIOUS YEAR PROBLEMS NEET)|34 Videos

  • CONSTRAINED MOTION

    MOTION|Exercise EXAMPLES|12 Videos

  • ELASTICITY

    MOTION|Exercise EXERCISE -3|60 Videos
MOTION-CURRENT ELECTRICITY-EXERCISE -3 SECTION -B (PREVIOUS YEAR PROBLEMS JEE MAIN)
  1. An energy source will supply a constant current into the load if its i...

    Text Solution

    |

  2. A material 'B' has twice the specific resistance of 'A'. A circular wi...

    Text Solution

    |

  3. The Kirchhoff's first law (Sigmai = 0) and second law (SigmaiR = Sigma...

    Text Solution

    |

  4. The current I drawn from the 5 volt source will be

    Text Solution

    |

  5. In a Wheatstone's bridge, three resistances P,Q and R connected in the...

    Text Solution

    |

  6. An electric bulb is rated 220 volt - 100 watt. The power consumed by i...

    Text Solution

    |

  7. The resistance of a wire is 5 ohm at 50^@C and 6 ohm at 100^@C. The re...

    Text Solution

    |

  8. A 5V battery with internal resistance 2Omega and a 2V battery with int...

    Text Solution

    |

  9. Consider a block of conducting material of resistivity 'rho' shown in ...

    Text Solution

    |

  10. Consider a block of conducting material of resistivity 'rho' shown in ...

    Text Solution

    |

  11. Statement-1: The temperature dependence of resistance is usually given...

    Text Solution

    |

  12. Two conductors have the same resistance at 0^@C but their temperature ...

    Text Solution

    |

  13. If a copper wire is stretched to make it 0.1% longer wha is the percen...

    Text Solution

    |

  14. Two electric bulbs marked 25W-220V and 100W-220V are connected in seri...

    Text Solution

    |

  15. If 400 Omega of resistance is made by adding four 100 Omega resistance...

    Text Solution

    |

  16. The current in the primary circuit of a potentiometer is 0.2 A. The sp...

    Text Solution

    |

  17. If a copper wire is stretched to make it 0.1% longer wha is the percen...

    Text Solution

    |

  18. Two electric bulbs marked 25W-220V and 100W-220V are connected in seri...

    Text Solution

    |

  19. Resistance of a given wire is obtained by measuring the current flowin...

    Text Solution

    |

  20. The supply voltage to room is 120 V. The resistance of the lead wires ...

    Text Solution

    |