What is speed of sound at sea level?
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Explain what affect does electricity have on soil?
When a glass cylinder is filled with water and a piece of thick paper is placed at the mouth and the cylinder is inverted, the paper dies not fall. Why ?
What is a Noise ?
is photocell can be used as photodiode
what is the name of the device that is made by combining two basic types of solid state rectifiers allowing the device to both rectify and amplify a current?
If the distance separating two charges is doubled, the force between them decreases by what multiple factor?
Explain what is a crest?
Explain what is cardiac output?
What is refraction of light?
i need the working and properties of the sextent and all the objects and much more about sextent..
What is the difference between isolation transformers and step up or step down transformer?
When the letters of an opposite side board are found in a mirror as reverse,why the same is not shown as up and down?