sir/maam it is not regarding any subject doubts!!!I would like to know any working models regarding class 12 since we have to construct this model as our project this year.Plz reply as soon as possible!!!

Asked by shravan s | 13th Nov, 2013, 06:56: PM

Expert Answer:

Working models:
 
Van de Graaff generator
Full wave or half wave rectifier
Metal Detector
Logic Gates

Answered by  | 14th Nov, 2013, 10:18: AM

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