Home
Class 10
PHYSICS
Explain the following Why is tungsten ...

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

Text Solution

Verified by Experts

Tungsten has a high resistivity and a high melting point. So, most of the power consumed by it, is clissipated in the form of heat.
Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    OSWAAL PUBLICATION|Exercise TOPIC-2 ( Short Answer Type Questions -I )|15 Videos
  • ELECTRICITY

    OSWAAL PUBLICATION|Exercise TOPIC-2 ( Short Answer Type Questions -II )|53 Videos
  • ELECTRICITY

    OSWAAL PUBLICATION|Exercise TOPIC-2 ( Match the Column)|1 Videos
  • LIGHT-REFLECTION AND REFRACTION

    OSWAAL PUBLICATION|Exercise NCERT CORNER (TEXTBOOK EXERCISES)|15 Videos

Similar Questions

Explore conceptually related problems

Explain the following. a] Why is tungsten used almost exclusively for filament of electric lamps? b] Why are the conductors of electric heating devices, such as bread-toasters and electric irons made of an alloy rather than a pure metal? c] Why is the series arrangement not used for domestic circuits? d] How does the resistance of a wire vary with its area of cross-section? e] Why are copper and aluminum wires usually employed for electricity transmission?

Explain why the following system is not aromatic?

Mention the name of one metal in each of the following: (i) A metal foil used for packing of medicine tablets. (ii) A metal used for galvanizing iron (iii) A metal used almost extensively for making filament of electric bulbs

State whether the ''Or'' used in the following statements is ''exclusive ''or'' inclusive. Give reasons for your answer. Sun rises or Moon sets.

State whether the Or' used in the following statements is exclusive or " inclusive Give reason for your answer. (i) All intergers are positive or negative (ii) To apply for a driving licence , you should have a ration card or a passport .

Which of the following property of water can be used to explain the spherical shape of rain droplets ?