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Which of the following statement is wron...

Which of the following statement is wrong

A

Bimetal is used in metal themometer

B

Bimetal is used to generate electricity

C

Bimetal relays are used to open or close electric circuits

D

Bimetal is used in thermostat for regulating heating or cooling of rooms.

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
  1. Two metal strips that constitute a thermostat must necessarly differ i...

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  2. A bimetal made of copper and iron strips welded together is straight a...

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  3. Which of the following statement is wrong

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  4. The coefficients of linear expansion of P and Q are alpha(1)andalpha(2...

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  5. A uniform metallic rod rotates about its perpendicular bisector with c...

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  6. A uniform metallic rod rotates about its perpendicular bisector with c...

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  7. Coefficient of volume expansion of copper as a function of temperature

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  8. Coefficient of linear expansion of brass and steel rods are alpha(1)an...

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  9. Which of the following behaves like water between 0^(@)Cand4^(@)C.

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  10. An aluminium sphere is dipped into water at 10^(@)C. If the temperatur...

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  11. An aluminium sphere is dipped into water. Which of the following is tr...

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  12. Density of liquid at any temperature 't' is given by d(t)=d(0)//(1+g t...

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  13. A block of wood is floating on water at 0^(@)C with certain volume 'p'...

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  14. Coefficient of volume expansion of a vessel is greater than the liquid...

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  15. A liquid with coefficient of volume expansion gamma is filled in a con...

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  16. When a liquid is heated in a vessel, it is found that g(R) is less tha...

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  17. In an experiment it is observed that for a liquid gamma("Abs")=gamma("...

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  18. When a liquid is taken in a long cylindrical vessel of material, with ...

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  19. A metal ball immersed in alcohol weighs w(1) at 0^(@)Candw(2)" at "50^...

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  20. A solid is suspended in a liquid. If the liquid is heated, the solid (...

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