T Euro
Articles publiés dans cette rubrique
dimanche 8 janvier 2012
par A.Toorab
par A.Toorab
oral work N° 6 on capacitors and astable circuit
Oral work for wednesday 11th of January. Merlin Gauthier (part 1) Rollos Mathieu (part 2)
mardi 22 novembre 2011
par A.Toorab
par A.Toorab
Read and answer N° 1 (Ear phones can cause damage to health))
Use Audacity to make your exposé. Your exposé can be divided into 2 parts.
Date limit to send your work under wave format : wednesday the 30th of november 2011
mercredi 12 octobre 2011
par A.Toorab
par A.Toorab
Listen and answer n°2 on Transistor as a switch
1- Name the 3 terminals of the transistor.
2 - Input voltage vi is a non-alternating rectangular signal with Vimax=6V and Vimin=-2V. Give the mean value of vi.
3 - What is the use of resistance Rb of the circuit ?
4 - The LED lights when vi is equal to 6V. Why ?
5 - The LED does not light (...)
