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State the energy changes in the followin...

State the energy changes in the following cases while in use :
A ceiling fan

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To solve the question about the energy changes in a ceiling fan while in use, we can break it down into the following steps: ### Step-by-Step Solution: 1. **Identify the Initial Energy Source**: - When a ceiling fan is switched on, it is powered by electrical energy. This energy comes from the electrical supply in the house. 2. **Energy Conversion During Operation**: ...
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ICSE-SAMPLE PAPER 2018-SECTION-II
  1. State the energy changes in the following cases while in use : A cei...

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  2. Derive a relationship between S.I. and C.G.S. unit of work.

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  3. A Force F acts on a body and displaces it by a distance S in direction...

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  4. A half metre rod is pivoted at the centre with two weights of 20 gf an...

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  5. A half metre rod is pivoted at the centre with two weights of 20 gf an...

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  6. A half metre rod is pivoted at the centre with two weights of 20 gf an...

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  7. Draw a diagram to show a block and tackle pulley system having a veloc...

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  8. A pulley system has a velocity ratio 3. draw a diagram showing the poi...

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  9. Is the above pulley system an ideal machine or not ?

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  10. A ray of light XY passes through a right angled isosceles prism as sho...

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  11. A ray of light XY passes through a right angled isosceles prism as sho...

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  12. A ray of light XY passes through a right angled isosceles prism as sho...

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  13. An object AB is placed between O and F(1) on the principal axis of a c...

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  14. An object is placed at a distance of 12 cm from a convex lens of focal...

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  15. An object is placed at a distance of 12 cm from a convex lens of focal...

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  16. Draw a diagram of a right angled isoscels prism which is used to make ...

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  17. The diagram below shows a wire stretched over a sonometer. Stems of tw...

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  18. The diagram above shows a wire stretched over a sonometer. Stems of tw...

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  19. The diagram above shows a wire stretched over a sonometer. Stems of tw...

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  20. A person is standing at the sea shore. An observer on the ship which i...

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  21. A person is standing at the sea shore. An observer on the ship which i...

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