Home
Class 10
PHYSICS
State Ohm's law and derive it from the b...

State Ohm's law and derive it from the basic ideas of drift velocity of electrons.

Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

  • MAGNETIC EFFECTS OF ELECTRIC CURRENT

    MODERN PUBLICATION|Exercise EXERCISE|265 Videos

Similar Questions

Explore conceptually related problems

State Ohm’s law and derive it from the basic idea of drift velocity of electrons.

How much is the drift velocity of electrons?

Give the order of magnitude of drift velocity of electrons in a metal.

When a current flows in a conductor, the order of magnitude of drift velocity of electrons thorugh it is

Two different wires X and Y of same diameter but different materials are joined in series across a battery. If the number density of electrons in X is twice that in Y, find the ratio of drift velocity of electrons in the two wires .

Prove that the current density of a metallic conductor is directly proportional to the drift velocity of electrons.

A wire with an area of cross-section as 1 mm2 has a resistance of 10Q, when a potential difference across its ends is 8V. Calculate the drift velocity of electrons. Given,number density of electrons in wire as 8 xx 10^20 electrons per cubic meter.

MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. Write in the form of a formula a relationship between resistance and r...

    Text Solution

    |

  2. What is meant by resistance of a conductor?On what factors does the r...

    Text Solution

    |

  3. State Ohm's law and derive it from the basic ideas of drift velocity o...

    Text Solution

    |

  4. Draw a schematic diagram of the circuit for studying ohm's law.

    Text Solution

    |

  5. Write an expression for the amount of heat produced in a wire of resis...

    Text Solution

    |

  6. Write an expression for the amount of heat produced in a wire of resis...

    Text Solution

    |

  7. State the relationship between the power P, consumed by a device, its ...

    Text Solution

    |

  8. State the relationship between the power P, consumed by a device, its ...

    Text Solution

    |

  9. What determines the rate at which energy is delivered by a electric cu...

    Text Solution

    |

  10. An electric motor takes 5A form a 220 V line. Determine the power of t...

    Text Solution

    |

  11. An electric motor takes 5A from a 220 V line. Calculate the energy con...

    Text Solution

    |

  12. Define the term volt.

    Text Solution

    |

  13. State the relation between work, charge and potential difference for a...

    Text Solution

    |

  14. An electric circuit consisting of a 1 m long metallic wire XY, an amme...

    Text Solution

    |

  15. Differenciate between electrical resistance and resistivity of a condu...

    Text Solution

    |

  16. A copper wire of resistivity 1.6xx10^-8 ohm-m has a cross sectional ar...

    Text Solution

    |

  17. State the funciton of a fuse in a circuit. How is it connected in the ...

    Text Solution

    |

  18. An electric fuse of rating 3A is connected in a circuit in which elec...

    Text Solution

    |

  19. Three resistance R1, R2 and R3 are connected on parallel. Show that th...

    Text Solution

    |

  20. Express ohm's law by a mathematical formula.

    Text Solution

    |