The coil of an electric heater is made of

A. Platinum

B. Tungsten

C. Nichrome

D. Copper

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  1. The sun continuously produces an enormous amount of energy. This la due to
  2. Which of the following has the highest refractive index?
  3. Which force is used when milk is churned to separate cream?
  4. Nichrome is used in electric heaters and irons because
  5. The Cact that the compass needle does not point true north was observed first by
  6. The brightest star visible to the naked eye is
  7. The earth's nearest neighbour in space is
  8. Red Light is used as a dancer signal because
  9. The velocity of sound in air
  10. X-rays are used
  11. Mercury does not stick to glass because
  12. Which of the following is fissionable?
  13. The resistance of a wire depends on
  14. The fact that two large ships travelling on close parallel courses in the same direction tend to move…
  15. A car parked in the sun with its windows closed gets terribly hot inside. This is due to
  16. The hygrometer is an apparatus used for finding the
  17. The brightest planet in the Solar System is
  18. In a hydraulic pressure
  19. On applying a constant force to a mass, It moves with a uniform
  20. Hot water is poured simultaneously in four metallic tumblers painted outside with different paints.…
  21. When an incident beam of light strikes the surface of a glass slab normally, the refracted beam
  22. A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because
  23. It is difficult to bon potatoes at the top or a mountain because
  24. A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity…
  25. The force of attraction or repulsion between two charged bodies is directly proportional to the product…
  26. The image of an object formed on the retina of the eye is
  27. The rate of cooling of a hot body depends on
  28. Sound waves
  29. Commonly used safety fuse wire is made of
  30. Fish and other aquatic creatures can live inside a deep frozen pond because