Home

Mica is used in an electric iron because it is a

A. good conductor of heat

B. good conductor of electricity

C. bad conductor of electricity

D. Both (a) and (b) above

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water
  2. A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point…
  3. The source of electric energy in an artificial satellite is
  4. In the case of bodies falling under gravity which of the following remains constant at a given place?
  5. The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because
  6. When light travels from one medium to another there is a change in its
  7. On applying a constant force to a mass, It moves with a uniform
  8. A thermostat is a device used
  9. Acoustics' la a branch or study dealing with
  10. A device used in a ship for the purpose of measuring the depth of the sea is
  11. If you want to open a door with les difficulty you push it
  12. A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside…
  13. The difference between planets and stars is
  14. If a body weight 12N on the surface of the earth, how much will it weigh on the surface of the moon…
  15. When a charged rod is brought near a collection of small pith balls, the balls
  16. Thick brick walls are used in the construction or a cold storage because bricks
  17. In a concert hall reverberation is controlled by
  18. The orbit of Venus lies between those of
  19. Expansion of a rod when heated
  20. For viewing objects placed at a higher level from a position at a lower level, the instrument used'…
  21. The radius of an atom is approximately
  22. The phenomenon of spontaneous disintegration of certain heavy nuclei is termed
  23. Alternating Current (AC) is more advantageous than direct current because
  24. Fish and other aquatic creatures can live inside a deep frozen pond because
  25. In a refrigerator cooling is produced by
  26. Which of the following is wrongly matched?
  27. The heating element often used in an electric iron is
  28. A light year means
  29. A convex mirror always produces
  30. A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because