Home
Class 10
PHYSICS
Explain the following : Why are copper a...

Explain the following : Why are copper and aluminium usually employed for electricity transmission?

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

Explain the following statement-An alloy made up of copper and aluminium used for making artificial jewellery and religious idols.

Explain the following : Why is the tungsten used almost exclusively for filament of electric lamps?

Explain the following- An alloy is made up of Copper and Aluminium metals in which the proportion of Copper is higher than aluminium. Name that alloy?

Why are ionic compounds usually hard?

Which methods are usually employed for purifying germanium.

MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. The electric powr consumed by a device may be calculate by using eithe...

    Text Solution

    |

  2. Explain the following : Why is the tungsten used almost exclusively fo...

    Text Solution

    |

  3. Explain the following : Why are copper and aluminium usually employed ...

    Text Solution

    |

  4. State ohm's law. Write the necessary conditins for its validity. How i...

    Text Solution

    |

  5. In a household electric circuit, different appliances are connected in...

    Text Solution

    |

  6. What is joule's heating effect? List applications of joule's heating e...

    Text Solution

    |

  7. What is meant by saying that the potential difference between two poin...

    Text Solution

    |

  8. How much energy is given to 5 couolomb of charge passing through a 12 ...

    Text Solution

    |

  9. An electric heater coil if connected to a 230 V source if the resistan...

    Text Solution

    |

  10. On what factors does the resistance of a conductor depend?

    Text Solution

    |

  11. Two resistos with resistance 5 ohm and 10 ohm respectively are to be c...

    Text Solution

    |

  12. Two resistos with resistance 5 ohm and 10 ohm respectively are to be c...

    Text Solution

    |

  13. A current of 1A flows on a wire for 5 minutes, find the amount of elec...

    Text Solution

    |

  14. How much work is done in moving a charge of 5C between two points in a...

    Text Solution

    |

  15. An electric bulb is connected to a 220 V source. If the resistance of ...

    Text Solution

    |

  16. An electric heater coils is connect to a 220 V source. If the resistan...

    Text Solution

    |

  17. Resistance of a metal wire of length 2 m is 40 ohm. If the diameter of...

    Text Solution

    |

  18. A 8 ohm resistance wire is stretched to double its length. Calculate t...

    Text Solution

    |

  19. A bulb whose resistance is 10 ohm is connected to a 6 V battery. Calcu...

    Text Solution

    |

  20. A bulb whose resistance is 10 ohm is connected to a 6 V battery. Calcu...

    Text Solution

    |