Home
Class 10
CHEMISTRY
The wires carrying current in homes have...

The wires carrying current in homes have a coating of PVC. Why ?

Text Solution

Verified by Experts

Electric current is carried generally by copper wires. In order to insulate these, they are given a coating of PVC which acts as an insulator.
Promotional Banner

Topper's Solved these Questions

  • METALS AND NON-METALS

    DINESH PUBLICATION|Exercise Short Answer Questions|45 Videos

  • METALS AND NON-METALS

    DINESH PUBLICATION|Exercise Long Answer Questions|23 Videos

  • METALS AND NON-METALS

    DINESH PUBLICATION|Exercise N.C.E.R.T|31 Videos

  • CHEMICAL REACTIONS AND EQUATIONS

    DINESH PUBLICATION|Exercise Multiple Choice Questions|18 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    DINESH PUBLICATION|Exercise PBQs|28 Videos

Similar Questions

Explore conceptually related problems

There is a circular loop carrying current and another straight wire carrying current is placed along its axis. The straight wire

A thin circular wire carrying a current I has a magnetic moment M . The shape of the wire is changed to a square and it carries the same current. It will have a magnetic moment

A thin circular wire carrying a current I has a magnetic moment M. The shape of the wire is changed to a square and it carries the same current. It will have a magnetic moment

The magnetic field midway between two parallel current carrying wires, carrying currents I and 2i in same direction is B. If the current in the wire with current I is switched off, the magnetic field will become

The front face of a circular wire carrying current behaves like a north pole. The direction of current in this face of the circular wire is :

Sketch the magnetic field lines in xy plane for a pair of long parallel wires laid along z direction if- (a) Both wires carry current in same direction. (b) Both wire carry current in opposite directions.

The element of heater is very hot while the wires carrying current are cold. Why?

In what respect does a wire carrying a current differ from a wire, which carries no current?

DINESH PUBLICATION-METALS AND NON-METALS-Very Short Answer Questions
  1. Explain why calcium metal after reacting with water starts floating on...

    Text Solution

    |

  2. Name two metals which can be used to reduce to metal oxides to metals.

    Text Solution

    |

  3. The wires carrying current in homes have a coating of PVC. Why ?

    Text Solution

    |

  4. Name the following : (a) A metal which is preserved in kerosene (...

    Text Solution

    |

  5. A non-metal X exists in two different forms Y and Z. Y is hardest natu...

    Text Solution

    |

  6. Name a non-metal which reacts with very dilute nitric acid to evolve h...

    Text Solution

    |

  7. If copper metal is heated over a flame, it develops a coating. What is...

    Text Solution

    |

  8. Why does not stainless steel get rusted easily ?

    Text Solution

    |

  9. Why can we use gold and platinum in jewellery ?

    Text Solution

    |

  10. Give chemical names of the two salts belonging to sodium family.

    Text Solution

    |

  11. Name any one alloy made from (i) a metal and a non-metal (ii) two meta...

    Text Solution

    |

  12. Why do we apply paint on iron articles?

    Text Solution

    |

  13. Write the balanced chemical equation for the chemical reaction between...

    Text Solution

    |

  14. Ionic solids conduct electricity in the molten state and not in the so...

    Text Solution

    |

  15. In one method of rust prevention, the iron is not coated with anything...

    Text Solution

    |

  16. The wires carrying current in homes have a coating of PVC. Why ?

    Text Solution

    |

  17. Aluminium oxide and zinc oxide react with both acids are bases to prod...

    Text Solution

    |

  18. Name the constituents elements of the alloys (i) Brass (ii) Bronze (ii...

    Text Solution

    |

  19. Out of silver and copper metals, which is more reactive and why ?

    Text Solution

    |

  20. Explain why the surfaces of some metals become dull when exposed to ai...

    Text Solution

    |