Home
Class 10
PHYSICS
Electrical resistivities of some substan...

Electrical resistivities of some substances at `20^@C` are given below:

Among silver and copper, which one is a better conductor? Why?

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

Fill ups Among silver and copper……………is a better conductor.

Electrical resistivities of some substances at 20^@C are given below: Which material would you advise to be used in electrical heating devices. Why?

Which among iron and mercury is a better conductor?

The electrical resistivity of few materials is given below in ohm-metre. Which of the following can be used for making element of a heating device?

The electronic configuration of some elements are given below: Which of these are metals?

Some pictures (a) to ( c) are given below. Tell which of them show: 3xx1/5 = 3/5

Some pictures (a) to ( c) are given below. Tell which of them show: 3xx3/4 = 2 1/4

Some pictures (a) to ( c) are given below. Tell which of them show: 2xx1/3 = 2/3

Optical rotations of some compounds along with their Structures are given below. Which of them have D configuration ?

MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. Two metallic wires A and B of same material are connected in parallel....

    Text Solution

    |

  2. What is the meaning of the terms frequency of an altrnating current? W...

    Text Solution

    |

  3. Electrical resistivities of some substances at 20^@C are given below: ...

    Text Solution

    |

  4. Electrical resistivities of some substances at 20^@C are given below: ...

    Text Solution

    |

  5. What is electric circuit?

    Text Solution

    |

  6. Calculate the resistance of an electric bulb which allows a 10 A curre...

    Text Solution

    |

  7. A piece of wire having resistance R is cut into four parts. How does t...

    Text Solution

    |

  8. A piece of wire having resistance R is cut into four parts. How does t...

    Text Solution

    |

  9. In an experimenal to study the dependance of current on potential diff...

    Text Solution

    |

  10. Calculate the equivalent resistance between the points A and B in the ...

    Text Solution

    |

  11. Calculate the equivalent resistance of the network across the points A...

    Text Solution

    |

  12. When two resistors of resistance R1 and R2 are connected in parallel, ...

    Text Solution

    |

  13. Three resistors are connected as shown. Through a resistor of 5 ohm, a...

    Text Solution

    |

  14. Three resistors are connected as shown. Through a resistor of 5 ohm, a...

    Text Solution

    |

  15. Three resistors are connected as shown. Through a resistor of 5 ohm, a...

    Text Solution

    |

  16. An electric bulb is rated 220V and 100 W. what is its resistance? Five...

    Text Solution

    |

  17. State the formula correlating the electric current flowing in a conduc...

    Text Solution

    |

  18. A torch bulb is rated 5 V and 500 mA. Calculate its power?

    Text Solution

    |

  19. A torch bulb is rated 5 V and 500 mA. Calculate resistance?

    Text Solution

    |

  20. A torch bulb is rated 5 V and 500 mA. Calculate energy consumed when i...

    Text Solution

    |