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what happens to the energy supplied during change of state? |
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| asked by Ronaldo (techtoicsaf) 7 years ago |
4 |
why can't d.c electricity be used for transformers? |
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| asked by Qwerty (qwerty6699) 7 years ago |
2 |
+ 3 more questions by qwerty6699
Energy conversion in a thermocouple?
Light to electrical or heat to electrical?? |
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| asked by Qwerty (qwerty6699) 7 years ago |
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how is the loudness affected if the amplitude is halved? |
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| asked by Qwerty (qwerty6699) 7 years ago |
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A block weighing 20kgf is pulled up a slope at a constant speed by a constant force
of 150 N.(g=10m/s2) Calculate :
i) The work done by the force in moving along the slope
ii)The increase in the potential energy of the body.
iii)The amount of energy dissipated in pulling up the body along the slope.
Show the working please |
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| asked by Qwerty (qwerty6699) 7 years ago |
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A Important question for you all
Write two difference between concavo covex lens and convexo concave lens |
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| asked by SWAGATAM BAZ (icse2017) 7 years ago |
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Which class of lever is acting in the case of "a cycle brake".please explain |
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| asked by Tanisha Vats (catercousin10) 7 years ago |
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An earnest request to all those students who attempted a regional language paper ( Tamil, kannada, bengali etc) :
Can you post the essays and letters that you had received in the question paper in : English or Hindi? It will be beneficial to all Hindi students as a similar topic may come.
Thank you. |
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| asked by eeshaan17 7 years ago |
3 | + 1 more questions by eeshaan17
1) Can someone upload some numericals on physics?
2) Is fusion = melting as given in Selina. If it is so, why isn't latent heat of fusion = latent heat of melting. |
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| asked by eeshaan17 7 years ago |
2 |
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Plz see the pic and ans the ques no 8.c |
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| asked by Utkarsh Sharma (utkarsh3107) 7 years ago |
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what will be the effect on working if ac is used instead of dc in an electrical bell |
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| asked by ... (tedgreen) 7 years ago |
3 |
A cell of emf 2V and internal resistance 1.2V is connected to an ammeter of resistance 0.8V and two parallel resistors of 4.5ohm and 9ohm. Find the reading of the ammeter, the PD across the terminals of the cell and the PD across the 4.5 ohm resistor |
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| asked by Rishab Batra (rishab710) 7 years ago |
3 |
A metal ball coated with soot appears to shine underwater.
A person's face sitting near a campfire appears to shimmer.
Optic fibres along the road shine brightly during daytime
A person experiences mirage in a desert
Stars appear to twinkle in the sky
A truck driver sometimes sees a pool of water ahead of him on a road
Give Reasons pls |
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| asked by Officer Tenpenny (anurag45) 7 years ago |
3 |
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