Home
Class 9
PHYSICS
Derive the expression for the resistance...

Derive the expression for the resistances connected inparallel.

Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    CHETANA PUBLICATION|Exercise EXERCISE|44 Videos

  • LAWS OF MOTION

    CHETANA PUBLICATION|Exercise EXAMPLE|119 Videos

Similar Questions

Explore conceptually related problems

Derive the expression for resistances connected in series.

Derive an expression for thin prism.

Answer the following. Derive the expression for equivalent resistance in parallel combination.

Derive expression for enthalpy change.

Derive an expression for compton shift .

Derive an expression for potential energy.

Derive the expression for the energy of an electron in the atom.

Derive the expression for self inductance of a solenoid.

Answer the following question: Obtain an expression for the effective resistance when a number of resistors are connected in parallel.

Choose correct alternative. If R is the resultant resistance of n similar resistance connected in parallel. The resultant resistance when these resistances are connected in series will be

CHETANA PUBLICATION-CURRENT ELECTRICITY-EXERCISE
  1. Sneha is getting an electrical shock what will you do the save her lif...

    Text Solution

    |

  2. Derive the expression for resistances connected in series.

    Text Solution

    |

  3. Derive the expression for the resistances connected inparallel.

    Text Solution

    |

  4. Answer the following question: Find the expression for the resistivity...

    Text Solution

    |

  5. Show motion of electrons in an circuit and explain precautions while u...

    Text Solution

    |

  6. Complete the incomplete figure and give explanation:

    Text Solution

    |

  7. Fill in the blanks: To increase the effective resistance in a circuit...

    Text Solution

    |

  8. Resistivity is the specific property of a………. .

    Text Solution

    |

  9. Following is true for identical bulbs connected in parallel.

    Text Solution

    |

  10. The……..wire is either yellow or green in colour.

    Text Solution

    |

  11. Find the odd one out: Voltmeter, Ammeter, Galvanometer, Thermometer

    Text Solution

    |

  12. Write pairs. Electric resistance :Ohm ::..........volt.

    Text Solution

    |

  13. Which is the unit used to measure large voltages?

    Text Solution

    |

  14. Name the following .Unit of resistivity

    Text Solution

    |

  15. A thick wire has a low resistance.

    Text Solution

    |

  16. Wood and glass are good insulators.

    Text Solution

    |

  17. Free electrons are required for conduction of electricity.

    Text Solution

    |

  18. Acurrent of 0.4Aflowsthrough a conductor for 5minutes. How much charge...

    Text Solution

    |

  19. Find the amount of work done if 3 C of charge is moved through a poten...

    Text Solution

    |

  20. The length of a conducting wire is 50 cm and its radius is 0.5 mm. If ...

    Text Solution

    |