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The coil of an electric heater is made of

A. Platinum

B. Tungsten

C. Nichrome

D. Copper

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  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
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  8. Red Light is used as a dancer signal because
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  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
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  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
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  29. Commonly used safety fuse wire is made of
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