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Energy conversion in a thermocouple?
Light to electrical or heat to electrical?? |
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| asked by Qwerty (qwerty6699) 7 years ago |
1 |
+ 2 more questions by qwerty6699
how is the loudness affected if the amplitude is halved? |
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| asked by Qwerty (qwerty6699) 7 years ago |
5 |
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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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 | + 1 more questions by rishab710
Can somebody send the solution of the last numerical (Q31) of exercise 8B. ( SELINA concise physics) |
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| asked by Rishab Batra (rishab710) 7 years ago |
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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 |
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Give Reasons-
1.A light mass and heavy mass have equal momentum.Which will have more KE,Why?
2.Two equal and opposite forces act on an object.How is its motion affected?Give Reason.
3.What is the advantage of using a concave horse shoe magnet over straight magnet in electric motors.
4.If u place ur ear close to an iron railing which is tapped some distance away you hear the sound twice
5.The lower block of a block and tackle pulley must b of negligible weight.
6.The sun is seen few minutes before sunrise above the horizonand even after it sets.
7.The scissors for cutting cloth may hv blades longer than the handle,but shears cutting metals have short blades and long handles
Hope to get answers soon:) |
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| asked by Xyz (san_ika) 7 years ago |
3 |
whats VR when effort is applied in upward direction |
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| asked by Anshul Sadhale (yolo219) 7 years ago |
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SOUND CHAPTER PART B CONCISE SHUDNT THE SUBSCRIPT:SHUDNT THE RATIO OF THE WAVELENGTHS BE 6:3:2 AND NOT 3:2:1? |
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| asked by Akash Ashok (akashskyash007) 7 years ago |
1 |
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