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The engine of a train moving with speed \(10 \mathrm{~ms}^{-1}\) towards a platform sounds a whi....
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Ай бұрынThe engine of a train moving with speed \(10 \mathrm{~ms}^{-1}\) towards a platform sounds a whistle at frequency \(400 \mathrm{~Hz}\). The frequency heard by a passenger inside the train is: (neglect air speed. Speed of sound in air \(=330 \mathrm{~ms}^{-1}\) ) 📲PW App Link - bit.ly/YTAI_PWAP 🌐PW Website - www.pw.live
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In the given circuit if the power of rating of zener diode is 10mW,the value of series resistance Rs
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