Multiple Choice Questions: 1. First material known to be used by man: (a) Cotton (b) Bronze (c) Iron (d) Rock 2. First metal known to be used by man:(a) Iron (b) Bronze (c) Silver (d) Aluminium 3. Which...
From childhood we are often asked which is our favourite subject. We, without batting an eyelid would say the subject which we aced which most likely is MATHS. Because the examiner has least bit of chance...
Clearing Maths is not a great deal. All you need to follow is just a small key. Take last three years question papers and start working out the sums. Do not leave the choices. work out all sums. thats...
Intrinsic Semiconductor :It is a pure Semiconductor which acts as an insulator at low temperature and acts as a Conductor at high temperature. Hence it is not used in developing electronic devices. Doping:...