Home
Class 10
PHYSICS
Nichrome is . . . . . . . . . . .....

Nichrome is . . . . . . . . . . ..

A

a conductor

B

an insulator

C

an alloy

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    FULL MARKS|Exercise Additional Questions (II. Fill in the blanks)|21 Videos
  • ELECTRICITY

    FULL MARKS|Exercise Additional Questions (III. Match the following)|5 Videos
  • ELECTRICITY

    FULL MARKS|Exercise Textual Evaluation (XI. HOTS)|3 Videos
  • DEPARTMENTAL MODEL PAPER (SOLVED)

    FULL MARKS|Exercise PART-IV|6 Videos
  • LAWS OF MOTION

    FULL MARKS|Exercise Additional Questions (VIII. Problems.)|2 Videos

Similar Questions

Explore conceptually related problems

A heater coil is to be constructed with a nichrome wire (rho = 1.0 xx 10^(-6) Omegam) which can operate at 500 W when connected to a 250 V supply. (a) What would be the resistance of the coil? (b) If the cross-sectional area of the wire is 0.5 mm^2 , what length of the wire will be needed? (c) If the radius of each turn is 4.0 mm , how many turns will be there in the coil?

Nichrome wire is used as the heating element because it has

The resistance of a nichrome wire at 0^(@)C is 10Omega . If its temperature coefficient of resistance is 0.004//^(@)C find its resistance at boiling point of water. Comment on the result.

Nichrome has resisitivity equal to ___________.

Nichrome name copper wire of same length and same radius ae connected in series circuit I is passed through them. Which wire gets heated up more ? Give reason.

FULL MARKS-ELECTRICITY-Additional Questions (I. Choose the correct answer)
  1. The resistivity of a material is 4xx10^(-8)Omega m and its conductivit...

    Text Solution

    |

  2. When two 2Omega resistors are connected in parallel, the effective re...

    Text Solution

    |

  3. When two 2Omega resistors are connected in series, the effective resis...

    Text Solution

    |

  4. When n resistors of equal resistance (R ) are connected in series, the...

    Text Solution

    |

  5. When three resistors are connected in parallel then the value of the e...

    Text Solution

    |

  6. The effertive resistance for the given circuit in AB . . . . . . . . ...

    Text Solution

    |

  7. The effective resistance between AB in the given circuit . . . . . . ...

    Text Solution

    |

  8. Nichrome is . . . . . . . . . . ..

    Text Solution

    |

  9. Tungsten material is used in . . . .. . . . . . .

    Text Solution

    |

  10. The heat produced in an electric heater of resistance 2Omega is connec...

    Text Solution

    |

  11. The SI unit of power is .

    Text Solution

    |

  12. One horse power is

    Text Solution

    |

  13. Kilowatt hour is the unit of

    Text Solution

    |

  14. To protect the hourse hold electrical appliances from overloading due ...

    Text Solution

    |

  15. In India, domestic circuits are supplied with frequency of . . . . . ...

    Text Solution

    |

  16. Due to short circuit, efferctive resistance in the circuit becomes . ...

    Text Solution

    |

  17. The colour of LED will depend on the type of . . . . . . . . . . . Us...

    Text Solution

    |

  18. One way of overcoming the energy crisis is to use more . . . . . . . ...

    Text Solution

    |

  19. LED TV screen was developed by James P Mitchell in . . . . .. . . . ....

    Text Solution

    |

  20. The current in the electric bulb of 100 W and 200 V electric circuit i...

    Text Solution

    |