Home
Class 12
PHYSICS
Same potential difference is applied to ...

Same potential difference is applied to a good conductor and a bad conductor of same dimensions. Which one of them will proeduce more heat and why?

Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT. RESISTANCE AND E.M.F

    MODERN PUBLICATION|Exercise EXERCISE|64 Videos

  • DISPERSION

    MODERN PUBLICATION|Exercise EXERCISE|54 Videos

  • ELECTRIC FIELD

    MODERN PUBLICATION|Exercise EXERCISE|95 Videos

Similar Questions

Explore conceptually related problems

Is air a good or bad conductor of heat ?

Explain why a good conductor of heat is also a good conductor of electricity?

A potential difference of 10 V is applied across a conducotr of resistance 1kOmega . Find the number of electrons flowing through the conductor in 5 minutes.

A potential difference of 3 V is applied across a conductor of resistance 1.5 Omega . Calculate the number of electrons flowing through the conductor in 1 s. Given, charge on electorn , e = 1. xx 10^-19 C

A potential difference of 3V is applied across a conductor of resistance 1.5 Omega. Calculate the number of electrons flowing through it in one second. Given charge on electron, e=1.6 xx10^(-19)C.

A potential difference V is applied to a conductor of length L, diameter D. How are electric field E, the drift velocity v_(d) and the resistance R affected when V is doubled.

A potential difference V is applied to a conductor of length L, diameter D. How are electric field E, the drift velocity v_(d) and the resistance R affected when L is doubled .

A potential difference V is applied to a conductor of length L, diameter D. How are electric field E, the drift velocity v_(d) and the resistance R affected when D is doubled ?

Can there be potential difference between two adjacent conductors which carry the same positive charge?

MODERN PUBLICATION-ELECTRIC CURRENT. RESISTANCE AND E.M.F-EXERCISE
  1. Same potential difference is applied to a good conductor and a bad con...

    Text Solution

    |

  2. What is drift velocity of electrons? How do you explain the flow of cu...

    Text Solution

    |

  3. Derive an expressions between drift velocity of elctron and electric c...

    Text Solution

    |

  4. Define drift velocity of electricity and establish its relation with v...

    Text Solution

    |

  5. Explain the term drift velocity of electrons. Hence obtain the express...

    Text Solution

    |

  6. Prove that the current density of a metallic conductor is directly pro...

    Text Solution

    |

  7. Define 'relaxation time' in a conductor. Explain how it varies with in...

    Text Solution

    |

  8. What is the effect of temperature on relaxation time in a metal?

    Text Solution

    |

  9. Derive an expression for drift velocity of free electrons in a conduct...

    Text Solution

    |

  10. Define relaxation time of the electrons drifting in a conductor. How i...

    Text Solution

    |

  11. What is drift velocity?

    Text Solution

    |

  12. What are ohmic and non-ohmic resistors? Give one example of each.

    Text Solution

    |

  13. Deduce Ohm's law using the concept of drift velocity.

    Text Solution

    |

  14. Discuss the various situations, which describe the failure of Ohm's la...

    Text Solution

    |

  15. Resistance of a conductor depends on:

    Text Solution

    |

  16. Resistance of a conductor depends on:

    Text Solution

    |

  17. On what factors resistivity of the material depend?

    Text Solution

    |

  18. Explain how the resistivity of a conductor depends upon relaxation tim...

    Text Solution

    |

  19. Define 'relaxation time' in a conductor. Explain how it varies with in...

    Text Solution

    |

  20. Define the term resistivity and write its S.I. unit. Derive the expres...

    Text Solution

    |

  21. What do you understand by electrical resistivity and give its relation...

    Text Solution

    |