sural_78

@sural_78 (13)

India • Age 72

Joined myLot 17 years ago

Discussions (2)

sural_78's Discussions

Behaviour of germanium & silicon in conduction of electricity

sural_78 @sural_78 (13) • India 9 Jan 07

Materials like germanium and silicon are not good conductors in pure form.When impurities are added they conduct electricity. Why?

impurities are useful some times

Is it necessary to impose lot of syllabus of social studies at high school level

sural_78 @sural_78 (13) • India 9 Jan 07

I prepare & motivate students for Indian Institute of Technology entrance examination right from 9th standard. Those students who are good in mathematics/science are suitable for preperation for such examination. While going...

overburdened students of cbse high school